1978 Dodge Diplomat Performance Parts

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    • (0 reviews)
      # 1200642663
      Dodge Diplomat 5.2L / 5.9L 1978, Super Competition™ Mild Steel Long Tube Exhaust Headers by Hooker®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 3". Collector Length: 10". Color: Black. Header Style: Long Tube. This...
      Tuned-length primary tubes for maximum exhaust scavenging and velocityMandrel-bent tubing for smooth exhaust flow
      $471.34
    • (0 reviews)
      # 594012554
      Dodge Diplomat 1978, Redstuff Ceramic Low Dust Front Brake Pads by EBC®. Redstuff ceramic brake pads have always been known for its low dust ability but the latest blend has greatly reduced the phenomenon of pad “Pick up” or disc...
      $121.13
    • (0 reviews)
      # 584496079
      Dodge Diplomat Coupe / Sedan / Wagon 1978, Monro-Matic Plus™ Front Driver or Passenger Side Shock Absorber by Monroe®. Quantity: 1 per Pack. Nitrogen gas charged Monro-Matic Plus shocks and struts feature VPV (velocity proportional...
      $16.98
    • (0 reviews)
      # 171782861
      Dodge Diplomat 5.2L / 5.9L with Small Block Chrysler Engine 1978, Performer™ Dual Plane Intake Manifold by Edelbrock®. This premium product is the best way to go for those looking for the highest quality replacement that offers...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $310.14 - $627.95
    • (0 reviews)
      # mpn3526361844
      Dodge Diplomat 5.2L / 5.9L 1978, Street Pro Top-End Gasket Kit by Cometic Gasket®. Cometic Street Pro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their...
      Made of High Quality MaterialsBuilt to Last
      $311.70
    • (4 reviews)
      # 102095115
      Dodge Diplomat 1978, Thermocap™ Radiator Cap by Mr. Gasket®. Pressure: 16 lbs. Material: Aluminum. Knowing your coolant temperature can help to prevent burn injuries. Thermo Cap, with its built-in calibrated thermometer, indicates the...
      Indicates Coolant TemperatureHelps to Prevent Injuries from coolant or steam burns
      +1
      $32.43 - $37.53
    • (0 reviews)
      # mpn1293379238
      Dodge Diplomat 5.9L Standard Transmission with Internal Balanced Flywheel 1978, Performance Steel Flywheel by Hays®. Flywheel Tooth Number: 130. Product Weight: 30 lbs. Hays Steel Flywheels are manufactured from certified billet...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $316.95
    • (0 reviews)
      # mpn358514447
      Dodge Diplomat 5.2L / 5.9L 1978, Ultra HO Series Carburetor by AED Performance®. AED Performance Ultra HO series carburetors have all the great features of HO series carburetors and feature the aluminum Ultra body, Screw in air bleeds,...
      High quality at an affordable priceExpertly made from premium materials
      $719.79
    • (0 reviews)
      # mpn1442972
      Dodge Diplomat C / D / G / J Engine VIN Character 1978, Blaster 2™ Ignition Coil by MSD®. If you are looking to upgrade your stock coil, or want to compliment the performance of your MSD Blaster Ignition, MSD 5, 6 or 7, the Blaster...
      Performance upgrade for canister style coilsHigh voltage and energy output
      $51.39
    • (0 reviews)
      # 954505052
      Dodge Diplomat 1978, Front Bent Tie Rod End by Proforged®. Quantity: 1 per Pack. Proforged applied the same technological advancements in ball joint construction to their line of Tie Rod Ends and Rack Ends, delivering a premium product...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $17.96 - $39.57
    • (0 reviews)
      # 714498802
      Dodge Diplomat 1978, Alternator by Tuff Stuff Performance®.
      Heavy Duty Copper Wound CoilsSpike Resistant Diodes
      $166.06 - $335.66
    • (0 reviews)
      # 503630084
      Dodge Diplomat 1978, Ring and Pinion Gear Set by Motive Gear®. Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer ring and pinions for easy setup, superior strength, quality,...
      Quiet operationComputer controlled heat treatment
      $243.55 - $301.70
    • (0 reviews)
      # 450479564
      Universal PowerPack™ Turbocharger System by Banks®. The Banks Power Dual Exhaust PowerPack System is the complete towing package your pickup truck, with extended cab short bed configuration, deserves.
      Stunning Top GainsImproved Mileage
      $2,198.00 - $2,798.00
    • (0 reviews)
      # mpn4478773922
      Universal User Configurable LCD Dash Display by Auto Meter®. Designed specifically for the harshest of environments, the carbon composite housing is IP65 sealed against water and dust intrusion and will easily withstand 20g of...
      7.0” TFT LCD panel, 1000 nit brightness for unmatched daytime and nighttime visibility with 800x480 resolution. Onboard photo sensor for automatic brightness controlDimensions - 8.3" Wide x 5.2" High x 1.4" Deep
      $2,832.00
    • (0 reviews)
      # 48222560
      Club X-1 Full Face ATM (Advance Thermo Material) Racing Helmet by Sparco®. Certification: ECE 05; Material: ATM (Advance Thermo Material) Designed for indoor kart racing where a fire proof helmet isn't required, this product is...
      Designed for indoor kart racingProvides ultimate protection
      $140.00
    • (0 reviews)
      # 231059638
      Dodge Diplomat 5.2L / 5.9L with Small Block Chrysler Engine 1978, Steel Short Tube Tight Tuck Street Rod Exhaust Headers by Patriot Exhaust®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Short Tube....
      Expertly crafted from premium materialsQuality design and workmanship
      $255.08 - $397.79
    • (0 reviews)
      # 26746746
      Dodge Diplomat 1978, Drilled and Slotted Vented 1-Piece Front Brake Rotors and Hub Assembly by Chrome Brakes®. This is a set of OEM-sized replacement rotors with slots and drilled holes that provide the superior level of cooling needed...
      +2
      $214.95
    • (0 reviews)
      # 900832723
      Dodge Diplomat Coupe / Sedan / Wagon 1978, Front Screw-In Ball Joint by QA1®. Quantity: 1 per Pack. For a variety of racing applications, QA1's Screw-In Style Ultimate Ball Joint is a great choice. This patented, self-lubricating design...
      Ultimate Low Friction OperationWear Resistant Design
      $55.68 - $60.58
    • (0 reviews)
      # 377185812
      Dodge Diplomat 1978, E Series Round Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters...
      Designed to boost horsepower and rate of accelerationCan be cleaned and used again
      $55.99 - $57.99
    • (0 reviews)
      # mpn3064650433
      Dodge Diplomat 1978, Stainless Steel Reusable Oil Filter by HUBB Filters®. The HUBB product looks and works differently than a conventional filter and protects your engine much better. The HUBB filter features two large-sized kidney...
      Made from surgical stainless steelFilter-in-a-filter design
      $98.99
    • (2 reviews)
      # mpn1711360
      Dodge Diplomat 1978, Lo-Profile Direct Fit Dual Electric Fan by Flex-a-Lite®. With Variable Speed Controller. Diameter: 12 1/8". Size: 26 1/4" x 15 1/2" x 2 5/8". Keep your engine cool and free up some extra horsepower and torque. The...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $436.27
    • (0 reviews)
      # 77142494
      Dodge Diplomat Standard Transmission 1978, II Series Clutch Pressure Plate by Centerforce®. Disc Outer Diameter: 10.4". Rear Main Seal Style: 2-Piece. 2 Clutch Bolt Pattern. The Centerforce® II Clutch Series utilizes a full facing disc...
      Patented centrifugal weight design (where applicable)Patented ball bearing pressure plate (where applicable)
      $308.95 - $333.95
    • (0 reviews)
      # mpn359110073
      Dodge Diplomat 1978, 4150 4 BBL Gasoline Carbureted Nitrous Plate Wet System by Nitrous Express®. The conventional system is the perfect entry level nitrous system for the budget minded sportsman racer. These systems feature the most...
      Holley 4150 Carb Spray Plate50, 100, 150, 200, 250, 300 WHP
      $686.62
    • (0 reviews)
      # mpn4511855778
      Dodge Diplomat 3.7L 1978, Iridium Spark Plugs by Autolite®. With Resistor. These spark plugs are one of the brand's most technologically advanced spark plugs ever. With an iridium-enhanced 0.6 mm finewire design and proprietary platinum...
      Iridium-enhanced center electrodePatented, platinum sidewire technology
      $6.66
    • (0 reviews)
      # mpn3800683656
      Dodge Diplomat Except Police or Taxi Package 1978, Front Idler Arm by Proforged®. Quantity: 1 per Pack. Proforged® Idler Arms are built to strict tolerances using the latest innovations in steering technology, ensuring crisp,...
      SAE1045 forged steeling housingsBall studs forged from ultra-strong SAE4140 chromoly steel
      $31.79
    • (0 reviews)
      # 714493334
      Dodge Diplomat 1978, One Wire Alternator by Tuff Stuff Performance®. 1 Wire.
      Heavy Duty Copper Wound CoilsSpike Resistant Diodes
      $223.66 - $240.74
    • (0 reviews)
      # mpn4517168519
      Dodge Diplomat with 27 Spline with Open Differential with Chrysler 8.25" Series Axle 1978, No-Slip Traction System by Powertrax®. For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet...
      Extreme Traction PerformanceEnables a 2 Wheel Drive to outperform a 4 Wheel Drive in poor traction conditions
      $427.08
    • (0 reviews)
      # mpn4563973472
      Universal Display Control Module Touchscreen Handheld by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $385.70
    • (0 reviews)
      # 69025922
      110 Series Single Layer Racing Suit by RaceQuip®. Avaliable in Colors: Black, Blue, Red. Get superior durability and comfort combined with overall flame and heat protection. Strong construction and advanced sewing techniques make this...
      Ensures heat and fire protectionGentle fabric provides superior comfort
      $99.95 - $139.95
    • (0 reviews)
      # mpn1073832
      Dodge Diplomat with PRE-OBDII Models 1978, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...
      Reduces harmful emissionsIncreased exhaust flow allows your engine to make more power
      $205.77




    CARiD is the ultimate source for premium-quality performance parts. With our extensive collection of performance upgrades, adding onto your vehicle's performance or improving its look is safe and easy. Boost the interior of your 1978 Dodge Diplomat with a set of racing seats, raise or lower your vehicle for an aggressive look, or add a set of high-performance brake rotors for superior braking. Unlock the hidden potential of your 1978 Dodge Diplomat that has been waiting to be released!


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    Guides & Articles

    Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

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      Repair vs Performance Parts | Exhaust Systems
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    • August 10, 2018
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      Hydraulic brake lines and hoses aren’t something most people think about when it comes to vehicle maintenance. That’s understandable, considering automakers...
    • August 09, 2018
      When Is It Time To Replace My Brake Calipers?
      Brake calipers, found only on disc brake systems, house pistons which use the force of hydraulic brake fluid to stop the vehicle. More specifically, those pistons...
    • August 03, 2018
      When Is It Time To Replace My Alternator?
      Bolted to an engine block and powered by a belt-driven pulley, an alternator is in motion whenever the engine is running. Essentially, a vehicle's battery is tasked...
    • May 21, 2018
      How To Remove An Engine
      If you've grown tired of your engine's declining performance, inconsistent power, rough idle, exhaust smoke, knocking noises, rattles, and other maladies that plague...
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      Internal combustion engines are extremely complex and feature a wide array of components that rotate, pump, pressurize, or seal. Many of these components, while...
    • January 19, 2018
      Shopping Guide – Shift Knobs
      The knob at the end of your gearshift lever probably isn't something that most people notice when getting into your car or truck. But for a minimal cost, it can be. We...
    • November 29, 2017
      Shopping Guide - Running Boards
      Running boards date as far back as the automobile itself, being integrated into car and truck designs until falling out of favor after World War II. With the boom in...

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    1978 Dodge Diplomat Performance Parts Reviews

    Average rating:    4 - 4 reviews
    4.5 of 5
    Kooks
    Product very good. Love it.
    Posted by Jojie Menor (Mississauga, ON) / August 8, 20182010 Toyota Corolla
    Was this review helpful for you? Yes
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