2003 Jeep Grand Cherokee Performance Transmissions

    • American Shifter®Single Action Automatic Transmission Shifter Kit
      $283.69from $226.95
      (0)
      Jeep Grand Cherokee 4.7L Chrysler 545RFE Transmission 2003, Single Action Automatic Transmission Shifter Kit by American Shifter®. Improve your vehicle's performance without having to make any changes to your engine with this...
      Gives a more precise shiftTeflon-smooth button action
      # 9846855
    • American Shifter®Dual Action Automatic Transmission Shifter Kit
      $394.65from $315.72
      (0)
      Jeep Grand Cherokee 4.7L Chrysler 545RFE Transmission 2003, Dual Action Automatic Transmission Shifter Kit by American Shifter®. Improve your vehicle's performance and make shifting much easier and smoother with this...
      Gives a greater, more precise shifting responseA side action shifter and a push button shifter – two in one
      # 9850846
    • Omix-Ada®Manual Trans Mount
      $48.60$38.88
      (0)
      Jeep Grand Cherokee 2003, Manual Trans Mount by Omix-Ada®. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the supporting cast of seals,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4521610
    • Omix-Ada®Transmission Pan
      $39.51$31.61
      (0)
      Jeep Grand Cherokee 42RE Automatic Transmission 2003, Transmission Pan by Omix-Ada®. Original Equipment, Replacement Install Time 1+ Hours. Limited 5 Year Warranty. Major parts like gears and driveshafts may be the stars of the...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 42021510
    • Spectre Performance®Differential Cover
      $28.71from $22.97
      (0)
      Jeep Grand Cherokee Front Dana 30 2003, Differential Cover by Spectre Performance®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      # 12047022
    • Omix-Ada®Differential Bearing Kit
      $64.90from $51.92
      (0)
      Jeep Grand Cherokee 2003, Differential Bearing Kit by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4509852
    • Omix-Ada®Differential Crush Sleeve
      $4.20from $3.36
      (0)
      Jeep Grand Cherokee 2003, Differential Crush Sleeve by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4509886
    • Omix-Ada®Differential Housing Kit
      $163.29from $130.63
      (0)
      Jeep Grand Cherokee 2003, Differential Housing Kit by Omix-Ada®. The case is the heart of your differential, the part to which most other parts attach. The differential case may require changing when you switch to low ratio gears...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4510041
    • Omix-Ada®Differential Pinion Seal
      $7.00from $5.60
      (0)
      Jeep Grand Cherokee 2003, Differential Pinion Seal by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4510208
    • Omix-Ada®Pinion Shim Kit
      $29.61$23.69
      (0)
      Jeep Grand Cherokee 2003, Pinion Shim Kit by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4510266
    • Omix-Ada®Differential Rebuild Kit
      $157.24from $125.79
      (0)
      Jeep Grand Cherokee 2003, Differential Rebuild Kit by Omix-Ada®. Whether you're freshening up your differential or installing a new ring and pinion, this kit includes all the bearings and shims necessary to overhaul the...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4510333
    • Omix-Ada®Ring and Pinion
      $228.24from $182.59
      (0)
      Jeep Grand Cherokee 2003, Ring and Pinion by Omix-Ada®. Ring and pinion replacement may be necessary because the gear assembly is defective or it may be replaced because another gear ratio is desired for performance. Whatever the...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4510590
    • Omix-Ada®Differential Pinion Bearing
      $33.16from $26.53
      (0)
      Jeep Grand Cherokee 2003, Differential Pinion Bearing by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4510908
    • Omix-Ada®Differential Cover, 3/8" Thick Cast Steel
      $137.38$109.90
      (0)
      Jeep Grand Cherokee 2003, Differential Cover, 3/8" Thick Cast Steel, Incl. Hardware by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537307
    • Omix-Ada®Trac Loc Disc Kit
      $97.55$78.04
      (0)
      Jeep Grand Cherokee 2003, Trac Loc Disc Kit by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537337
    • Omix-Ada®Differential Cover Plug
      $8.41$6.73
      (0)
      Jeep Grand Cherokee 2003, Differential Cover Plug by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537341
    • Omix-Ada®Differential Exact Cut Gasket
      $8.36$6.69
      (0)
      Jeep Grand Cherokee 2003, Differential Exact Cut Gasket by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537346
    • Omix-Ada®Differential Pinion Bearing Shim Kit
      $16.94$13.55
      (0)
      Jeep Grand Cherokee 2003, Differential Pinion Bearing Shim Kit by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537365
    • Omix-Ada®Bellcrank Cross Shaft Locking Bolt
      $3.00$2.40
      (0)
      Jeep Grand Cherokee 2003, Bellcrank Cross Shaft Locking Bolt by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537383
    • Omix-Ada®Differential Pinion and Side Gear Bearing Shim Kit
      $145.06$116.05
      (0)
      Jeep Grand Cherokee 2003, Differential Pinion and Side Gear Bearing Shim Kit, Incl. O-Rings/Sealant, For Dana Super 30/186 by Omix-Ada®. Ring and pinion gear sets must be installed according to specification, or gear whine, or even...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4537409
    • Omix-Ada®Differential Side Gear Bearing Shim Kit, Rear
      $43.20$34.56
      (0)
      Jeep Grand Cherokee 2003, Differential Side Gear Bearing Shim Kit, Rear by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537424
    • Omix-Ada®Differential Spider Gear Kit, Track-Lok
      $289.75$231.80
      (0)
      Jeep Grand Cherokee 2003, Differential Spider Gear Kit, Track-Lok by Omix-Ada®. The spider gears are the parts in the differential that allow the wheels to turn at different speeds as the vehicle turns a corner. When these gears...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4537440
    • Omix-Ada®Differential Bearing
      $1.60from $1.28
      (0)
      Jeep Grand Cherokee 2003, Differential Bearing by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 6893797
    • Omix-Ada®Differential Cover Bolt, D30
      $1.55$1.24
      (0)
      Jeep Grand Cherokee 2003, Differential Cover Bolt, D30 by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 6894530
    • Omix-Ada®Spider Gear Kit, D30, With Standard Differential
      $134.55$107.64
      (0)
      Jeep Grand Cherokee 2003, Spider Gear Kit, D30, With Standard Differential by Omix-Ada®. The spider gears are the parts in the differential that allow the wheels to turn at different speeds as the vehicle turns a corner. When these...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 6894532
    • Omix-Ada®Outer Pinion Bearing Kit, D30
      $31.05$24.84
      (0)
      Jeep Grand Cherokee 2003, Outer Pinion Bearing Kit, D30 by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 6894537
    • Omix-Ada®Pinion Nut
      $2.73from $2.18
      (0)
      Jeep Grand Cherokee 2003, Pinion Nut by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 15314215
    • Omix-Ada®Replacement Rear Differential Shim Kit
      $53.91$43.13
      (0)
      Jeep Grand Cherokee WJ Dana 35 2003, Replacement Rear Differential Shim Kit by Omix-Ada®. Limited 5 Year Warranty. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 42021480
    • Omix-Ada®Axle Shaft
      $195.10from $156.08
      (0)
      Jeep Grand Cherokee 2003, Axle Shaft by Omix-Ada®. Axle shafts are generally very durable, but they can become bent or break from an impact to the wheel, twist if more power than they were designed for is sent to the differential,...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4508431
    • Omix-Ada®Axle Hub Assembly
      $118.13$94.50
      (0)
      Jeep Grand Cherokee 2003, Axle Hub Assembly by Omix-Ada®. If you hear clicking or grinding noises while driving, chances are you have a bad wheel bearing. If inspection proves this to be true, why waste money buying a hub assembly...
      Meets or exceeds OEM specificationsOEM quality at an affordable price
      # 4535034
    • TeraFlex®CV Style Driveshaft
      $508.24$406.59
      (0)
      Jeep Grand Cherokee 2003, CV Style Driveshaft by TeraFlex®. Eliminate your rear driveshaft slip yoke, and its inherent weakness and vibration with TeraFlex’s Short Shaft Kit. You’ll gain 50% more drive shaft strength, while...
      50% stronger than stockPermits installation of driveshaft with CV-style U-joint, eliminating vibration
      # 10981870
    • Alloy USA®Axle Shaft
      $167.49from $133.99
      (0)
      Jeep Grand Cherokee 2003, Axle Shaft by Alloy USA®. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty steel that is heat treated and...
      # 4533807
    • Omix-Ada®Transfer Case Drive Chain
      $121.50from $97.20
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Drive Chain by Omix-Ada®. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada knows...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4519971
    • Omix-Ada®Transfer Case Input Gear, 23 Spline, For Case Number 52097526
      $448.24$358.59
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Input Gear, 23 Spline, For Case Number 52097526 by Omix-Ada®. The transfer case input gear is connected to the transmission output shaft and transfers power from the transmission to the...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4538411
    • Omix-Ada®Transfer Case Output Shaft Bearing, Front
      $21.60$17.28
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Output Shaft Bearing, Front by Omix-Ada®. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4538463
    • Omix-Ada®Transfer Case Yoke, Front Output
      $235.80$188.64
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Yoke, Front Output by Omix-Ada®. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4538541
    • Omix-Ada®Replacement Transfer Case Shift Fork Pad
      $2.29$1.83
      (0)
      Jeep Grand Cherokee NP231 / NP242 Transfer Cases 2003, Replacement Transfer Case Shift Fork Pad by Omix-Ada®. Limited 5 Year Warranty. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 42021508
    • TeraFlex®Transfer Case
      $1,549.68from $1,239.74
      (0)
      Jeep Grand Cherokee 2003, LOW231 HD Transfer Case by TeraFlex®. TeraFlex makes some of the gnarliest suspension and drivetrain parts you could possibly imagine, all the better to make your Jeep ford the deepest rivers and climb the...
      All parts manufactured to TeraFlex standardsImprove your off-roading experience
      # 10982394
    • Alloy USA®Differential Overhaul Kit
      $219.99from $175.99
      (0)
      Jeep Grand Cherokee 2003, Differential Overhaul Kit by Alloy USA®. Rebuilding a differential is a complex process. Make sure you can give it your undivided attention by having everything on hand when you start the job. This kit...
      # 4534417
    • Alloy USA®HD Differential Cover
      $114.99from $91.99
      (0)
      Jeep Grand Cherokee 2003, HD Differential Cover by Alloy USA®. Don't be left stranded out on the trail! Protect your valuable differential with a heavy-duty cover. These covers are made of 3/8" cast steel or 5/16" stamped steel,...
      # 4534261
    • Precision Gear®Master Overhaul Kit, Dana 30
      $154.83$123.86
      (0)
      Jeep Grand Cherokee 2003, Master Overhaul Kit, Dana 30, Incl. Pinion/Carrier Bearings, Pinion Nut/Seal/Shims, Preload Shims / Crush Collar, Marking Compound, Oil Slingers, Gasket/RTV by Precision Gear®. Rebuilding a differential is...
      # 4517597
    • ARB®Air Locker™ Locking Differential
      $1,370.00$1,096.00
      (0)
      Jeep Grand Cherokee 2003, Air Locker™ Locking Differential by ARB®. Created to provide 100% traction on demand, without sacrificing any of your vehicle's highway driving performance, ARB Air Lockers employ a 12 volt ARB Air...
      Provides 100% traction on demand without affecting on road drivability or driveline wearVastly improved traction means less reliance on momentum, which reduces the likelihood of vehicle damage and environmental impact
      # 15922186
    • Spec-D®Hand Brake Knob with Red Stitch
      $27.00$21.60
      (0)
      Universal Hand Brake Knob with Red Stitch by Spec-D®. Spec-D figuratively has their finger on the pulse of the automotive aftermarket, so they can bring you the latest style and best performing parts and accessories. No matter...
      Custom style lighting parts for a unique appearance and better visibilityHigh-tech engine parts for the most power and best performance
      # 12382967
    • Spec-D®Black Polyurethane Leather with Red Stitch Shifter Knob
      $22.50$18.00
      (1)
      Universal Black Polyurethane Leather with Red Stitch Shifter Knob by Spec-D®. Designed for 5 and 6-speed manual transmission. Measurement : 83mm x 36mm. Equipped with: 1 black shift knob, 3 adapters and 5/6 speed decal stickers...
      # 26510168
    • Omix-Ada®Thrust Washer
      $2.85from $2.28
      (0)
      Jeep Grand Cherokee 2003, Thrust Washer by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4510340
    • Omix-Ada®Pinion Washer
      $1.98from $1.58
      (0)
      Jeep Grand Cherokee 2003, Pinion Washer by Omix-Ada®. Major parts like ring and pinion sets may be the stars of the differential, but they couldn't do their jobs without the supporting cast of seals, shims, bearings, gaskets, etc....
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 15314235
    • Omix-Ada®Axle Shaft Retainer
      $20.01from $16.01
      (0)
      Jeep Grand Cherokee 2003, Axle Shaft Retainer by Omix-Ada®. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the supporting cast of seals,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4509543
    • Omix-Ada®Axle Shaft Seal
      $11.76from $9.41
      (0)
      Jeep Grand Cherokee 2003, Axle Shaft Seal by Omix-Ada®. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the supporting cast of seals,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4509598
    • Omix-Ada®Axle Plenum, For Use For Vehicles with Hydra Lok
      $75.43$60.34
      (0)
      Jeep Grand Cherokee 2003, Axle Plenum, For Use For Vehicles with Hydra Lok by Omix-Ada®. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537107
    • Omix-Ada®Axle Shaft Bearing
      $46.80$37.44
      (0)
      Jeep Grand Cherokee 2003, Axle Shaft Bearing by Omix-Ada®. Major parts like gears and driveshafts may be the stars of the transmission and drivetrain system, but they couldn't do their jobs without the supporting cast of seals,...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4537127
    • Alloy USA®Axle Tube Seals
      $6.24from $4.99
      (0)
      Jeep Grand Cherokee 2003, Axle Tube Seals by Alloy USA®. Keep water, mud and debris from entering your front axle housing, where it can possibly destroy your inner axle seals. These seals replace the flimsy plastic factory dust...
      # 4532744
    • Omix-Ada®Transfer Case Input Shaft Oil Seal
      $22.89$18.31
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Input Shaft Oil Seal by Omix-Ada®. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4538429
    • Omix-Ada®Transfer Case Output Seal, Rear
      $28.18$22.54
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Output Seal, Rear by Omix-Ada®. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4538474
    • Omix-Ada®Transfer Case Vacuum Switch Seal
      $1.91$1.53
      (0)
      Jeep Grand Cherokee 2003, Transfer Case Vacuum Switch Seal by Omix-Ada®. The transfer case is where the engine's power is sent to both drive axles. It's the heart of a 4WD vehicle and part of what makes your Jeep a Jeep. Omix-Ada...
      Meets or exceeds OEM quality standardsOEM quality at an affordable price
      # 4538560
    • Rugged Ridge®HD Differential Cover
      $161.24$128.99
      (0)
      Jeep Grand Cherokee 2003, Differential Cover by Rugged Ridge®. Don't be left stranded out on the trail! Protect your valuable differential with a heavy-duty cover. This cover is made of 3/8" cast steel, with extra reinforcement in...
      Protects expensive differential partsPrevents unexpected breakdowns
      # 6894293
    • Omix-Ada®Automatic Transmission Rebuild Kit
      $650.03$520.02
      (0)
      Jeep Grand Cherokee 2003, Automatic Transmission Rebuild Kit by Omix-Ada®. Automatic transmissions can leak and develop shifting problems when friction surfaces become worn in clutch packs or bands. This kit contains the gaskets,...
      Performs according to OEM specificationsMeets or exceeds OEM quality standards
      # 4520300
    • Precision Gear®Spider Gear Kit, D30, 27 Spline, Precision Gear
      $162.31$129.85
      (0)
      Jeep Grand Cherokee 2003, Spider Gear Kit, D30, 27 Spline, Precision Gear by Precision Gear®. The spider gears are the parts in the differential that allow the wheels to turn at different speeds as the vehicle turns a corner. When...
      # 6894533
    • aFe®Pro Series Differential Cover
      $281.25$225.00
      (0)
      Jeep Grand Cherokee 2003, Pro Series Differential Cover by aFe®. Upgrade your transmission with this finned aluminum pan and increase fluid capacity, improve fluid cooling and ease future maintenance jobs. It includes a magnetic...
      # 38183616
    • B&M®Hi-Tek Cooling System
      $339.15from $271.32
      (1)
      Universal Hi-Tek Cooling System by B&M®. B&M SuperCoolers are 100% aluminum construction and use stamped plates sandwiched together to create one of the most efficient oil cooling devices available. Not only does this unique design...
      Stacked Plate design provides better cooling than ordinary fin and tube coolersAll aluminum, over-brazed construction
      # 10015272
    • B&M®Automatic Transmission SuperCooler™
      $84.76from $67.81
      (0)
      Universal Automatic Transmission SuperCooler™ by B&M®. B&M SuperCoolers are 100% aluminum construction and use stamped plates sandwiched together to create one of the most efficient oil cooling devices available. Not only does...
      Stacked plate designLow pressure drop feature
      # 10015277



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