2008 GMC Sierra Catalytic Converters & Components

Change Vehicle
1 - 60 of 73 results
show:
sort by:
    • (0 reviews)
      # 133896297
      GMC Sierra 6.6L Crew Cab 78.7" Bed 2008, Diesel Particulate Filter by Dorman®. The Diesel Particulate Filter (DPF) is an integral component for diesel trucks and helps to maintain the proper performance of the diesel engine....
      Direct replacement for a proper fit every timeReplacement is designed to match OE fit, form, and function
      $1,657.64
    • (0 reviews)
      # 85231902
      GMC Sierra 2008, Ultra™ Stainless Steel Catalytic Converter by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Direct Fit. Converter Body...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $292.51 - $435.45
    • (0 reviews)
      # 87067068
      GMC Sierra 2008, Ultra™ Stainless Steel Catalytic Converter by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $82.85 - $88.24
    • (0 reviews)
      # 36757145
      GMC Sierra 0 / 3 / C / J / X / Y Engine VIN Character with Federal Emission 2008, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. CARB Compliant: No. Includes: O2 Sensor Ports. If you’re in need of a...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $338.59
    • (0 reviews)
      # 172068361
      GMC Sierra 2008, Direct Fit Undercar Catalytic Converter by Eastern®. Inlet A: 3 Bolt Spinner. Outlet A: 2 Bolt Welded. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $339.63 - $565.83
    • (0 reviews)
      # 100289323
      GMC Sierra 2008, Universal Fit Catalytic Converter by Eastern®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $80.10 - $97.58
    • (0 reviews)
      # 136720727
      GMC Sierra 1500 SL / SLE / SLT / WT 2008, Undercar Direct Fit Catalytic Converter by PaceSetter®. Position: Rear. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Converter Body Material: Stainless Steel....
      Catalytic Converters are a direct replacement for original equipmentEngineered for durability and ease of installation
      $409.26
    • (0 reviews)
      # 165381146
      GMC Sierra Crew Cab 6.6L 78.7" Bed 2008, Stainless Steel Diesel Particulate Filter by AP Exhaust®. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. Catalytic Converter Overall Length:...
      Gain maximum efficiency and operating economyAluminized & Stainless Steel Bolt-on Exhaust System Kits
      $1,642.67
    • (0 reviews)
      # 83038232
      GMC Sierra 2008, Direct Fit Catalytic Converter by Davico®. CARB Compliant: No. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $266.06 - $330.89
    • (0 reviews)
      # 202431989
      GMC Sierra 6.6L 2008, Remanufactured Diesel Particulate Filter by A1 Cardone®. Finish: Gray/Steel. Filter Housing Width: 8.0". Inlet Flange Mounting: 4 Studs. Inlet Outside Diameter: 3.5". Outlet Outside Diameter: 4.0". Advanced...
      After reassembly, units are media blasted and coated to renew exterior appearance and increase corrosion protection.All applicable O.E.-quality temperature sensors and sealing gaskets are provided to ensure a complete repair.
      $762.15 - $848.72
    • (0 reviews)
      # 199201329
      GMC Sierra 1500 SL / SLE / SLT / WT 2008, Direct Fit Stainless Steel Federal Catalytic Converter by Flowmaster®. Inlet Diameter: 2.5". Outlet Diameter: 3". Catalytic Converter Body Length: 40". Converter Configuration: Direct Fit....
      Exceed all federal emission standardsStainless Steel shells
      $511.00
    • (0 reviews)
      # 62247105
      GMC Sierra with LEV2 LEV Specification 2008, Direct Fit California OBDII Catalytic Converter by MagnaFlow®. Catalytic Series: OBDII. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $1,380.93 - $1,514.91
    • (0 reviews)
      # 61588733
      GMC Sierra 2008, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. Catalytic Series: OEM Grade. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant: No. Converter...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $678.78 - $841.48
    • (0 reviews)
      # 89565281
      GMC Sierra 4.8L / 6.0L 2008, Graph-Flex™ Catalytic Converter Collector Gaskets by Taylor Cable®. Size: 2.625". These durable gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll...
      Malleable stainless steel metal coreGraphite composition sealing material for high heat applications
      $14.04
    • (0 reviews)
      # 89565293
      GMC Sierra 4.8L / 6.0L 2008, XX Carbon™ Catalytic Converter Collector Gaskets by Taylor Cable®. Size: 2.626". All of our XX Carbon exhaust header gaskets are made with Taylor’s proprietary, 100% carbon-felt material...
      Will survive 2000°F exhaust temperatures for extended periodsCarbon felt material on a steel core
      $12.74
    • (0 reviews)
      # 182090567
      Universal Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. CARB Compliant: No. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $53.39 - $112.81
    • (0 reviews)
      # 174563966
      Universal Catalytic Converter by Bosal®. Converter Configuration: Universal Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers and...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $70.91 - $71.91
    • (1 review)
      # 139379692
      Universal Bullet Catalytic Converters by Eastern®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of stainless...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $66.16 - $100.28
    • (0 reviews)
      # 139379691
      Universal Eco GM Round Catalytic Converter by Eastern®. Overall Length: 16". Converter Body Length: 12". Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $83.88 - $88.78
    • (0 reviews)
      # 172044678
      Universal Large Oval Catalytic Converter by Eastern®. Overall Length: 16". Converter Body Length: 12". Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $72.25 - $117.90
    • (0 reviews)
      # 139371691
      Universal Large Oval Dual Inlet Catalytic Converter by Eastern®. Outlet A: 2". Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of stainless steel, the...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $70.86 - $143.46
    • (0 reviews)
      # 172044684
      Universal Large Oval Single Inlet Catalytic Converter by Eastern®. Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of stainless steel, the catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $83.94 - $100.94
    • (0 reviews)
      # 139371686
      Universal Oval Body Catalytic Converter by Eastern®. Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of stainless steel, the catalytic converter is...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $45.48 - $108.03
    • (0 reviews)
      # 139371692
      Universal QuieCat™ Oval Resonated Converter by Eastern®. Overall Length: 18". Converter Body Length: 14". The new Eastern Catalytic QuietCat™ converter is specifically designed to meet the demand for quieter operation on full...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $61.60 - $109.69
    • (0 reviews)
      # 139371685
      Universal Round Body Catalytic Converter by Eastern®. Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of stainless steel, the catalytic converter is...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $42.50 - $89.96
    • (0 reviews)
      # 172044711
      Universal Stuffed Tube Catalytic Converter with EndCap by Eastern®. Keep your exhaust emissions within specifications and your vehicle running in top condition with this quality product. Made of stainless steel, the catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $49.63 - $80.91
    • (0 reviews)
      # 139371684
      Universal Universal Fit Catalytic Converter by Eastern®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $55.42 - $84.21
    • (0 reviews)
      # 139371689
      Universal Performance Bullet Catalytic Converters by Eastern®. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you definitely need a new one, and this product is the way to go. Made of...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $65.65 - $119.05
    • (0 reviews)
      # 139371690
      Universal Tru™ Performance 304 SS Large Oval Catalytic Converter by Eastern®. Overall Length: 16". Converter Body Length: 12". Eastern Tru Performance Converters feature a 300 cells per square inch ceramic substrate for improved...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $102.60 - $106.73
    • (0 reviews)
      # 172044712
      Universal Tru™ Performance 409 SS Catalytic Converter by Eastern®. Overall Length: 16". Converter Body Length: 12". Eastern Tru Performance Converters feature a 300 cells per square inch ceramic substrate for improved exhaust...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $87.79 - $116.23
    • (6 reviews)
      # 120105855
      Universal 200 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 200 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $116.53 - $204.95
    • (5 reviews)
      # 120105826
      Universal 220 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 220 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $66.26 - $68.56
    • (5 reviews)
      # 120105830
      Universal 222 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 222 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $67.12
    • (1 review)
      # 120105834
      Universal 223 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 223 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $73.86
    • (1 review)
      # 120105838
      Universal 225 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 225 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $68.02 - $71.98
    • (6 reviews)
      # 120105843
      Universal 240 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 240 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $129.60 - $144.93
    • (5 reviews)
      # 120105847
      Universal 250 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 250 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $130.99 - $147.34
    • (6 reviews)
      # 120105859
      Universal 282 Series OBDII Stainless Steel Catalytic Converter by Flowmaster®. Catalytic Series: 282 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $102.20 - $142.92
    • (1 review)
      # 120105881
      Universal 284 Series OBDII Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 284 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $187.88
    • (5 reviews)
      # 120105850
      Universal 290 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 290 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $108.66 - $128.44
    • (1 review)
      # 120105892
      Universal 3940 Series OBDII Stainless Steel Catalytic Converter by Flowmaster®. Catalytic Series: 3940 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. The new...
      Exceed all federal emission standardsStainless Steel shells
      $216.35 - $277.90
    • (0 reviews)
      # 118614769
      Universal GESI® High Output Catalytic Converters by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series of OBD2 (1996 and newer) high flow Catalytic Converters...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $335.21 - $448.35
    • (0 reviews)
      # 118614780
      Universal High Output Catalytic Converters by Vibrant Performance®. Vibrant Performance Metal or Ceramic Core Catalytic Converters are made entirely of Stainless Steel and feature a Monolith that is far more durable and capable...
      T304 Stainless Steel ConstructionThese Converters are covered by a 5 year / 50,000 mile warranty
      $75.76 - $109.10
    • (0 reviews)
      # 129455702
      Universal 304 SS High-Flow Catalytic Converter by Stainless Works®. CARB Compliant: No. Converter Configuration: Universal Fit. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $184.50
    • (0 reviews)
      # 171670470
      Universal Catalytic Converter by Kooks®. EPA certified. 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, this product by Kooks...
      Handles Exhaust Temperatures up to 1500FEliminates Emissions Related "Check Engine Light" (90% Success Rate)
      $136.81 - $142.41
    • (0 reviews)
      # 171670504
      Universal Green Ultra High Flow Catalytic Converter by Kooks®. EPA certified. 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,...
      Handles Exhaust Temperatures up to 1500FEliminates Emissions Related "Check Engine Light" (90% Success Rate)
      $353.24 - $379.49
    • (0 reviews)
      # 129719053
      Universal PowerCat Stainless Steel Catalytic Converter by Dynatech®. 1 Piece. The Dynatech PowerCAT catalytic convertor uses the latest technology in catalytic convertor design. Utilizing a Premium Metallic Substrate internal...
      Premium metallic substrateSuperior strength and durability
      $174.99
    • (0 reviews)
      # 136720862
      Universal Bullet Style Stainless Steel Hi-Flow Catalytic Converter by PaceSetter®. Converter Body Material: Stainless Steel. Catalytic Converter Width: 4". Catalytic Converter Body Length: 11". Converter Configuration: Universal...
      Meet EPA and C.A.R.B. requirements (OBDII exc. CA)Larger, more efficient honeycomb catalyst
      $116.86 - $120.01
    • (0 reviews)
      # 136720875
      Universal Monza Metal Core Catalytic Converter by PaceSetter®. CARB Compliant: Yes. Converter Body Material: Stainless Steel. Catalytic Converter Width: 4". Catalytic Converter Body Length: 11". Converter Configuration: Universal...
      20% higher flow than ceramic core convertersFaster "light off" for lower emissions
      $153.97 - $153.98
    • (1 review)
      # 82989181
      Universal Car Diesel Catalytic Converter by Thunderbolt®. 4" Round x 11" Long. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle. These Thunderbolt performance exhaust...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $79.39
    • (1 review)
      # 82989467
      Universal Oval Catalytic Converter by Thunderbolt®. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle. These Thunderbolt performance exhaust products also help your...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $39.69 - $76.06
    • (0 reviews)
      # 82989388
      Universal The Spun Formed Catalytic Converter by Thunderbolt®. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle. These Thunderbolt performance exhaust products also...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $44.46 - $76.22
    • (0 reviews)
      # 82989593
      Universal Truck Diesel Catalytic Converter by Thunderbolt®. 6" Round x 12" Long. These superior quality products are carefully engineered to improve exhaust flow and boost power of your vehicle. These Thunderbolt performance...
      Designed to improve exhaust flowBuilt to enhance the performance of your vehicle
      $183.83
    • (0 reviews)
      # 177798606
      Universal Cat Cover by Weapon-R®. You’ve done all you can to get more airflow into your engine, but what about the exhaust side? Let your engine expel those spent gases easier with a Weapon-R Stainless Steel Street Header....
      Improves engine performanceDesigned to work with stock exhaust system
      $50.00
    • (0 reviews)
      # 118614777
      Universal GM Style Spring Bolt Kit by Vibrant Performance®. A simple solution for a common problem.
      Made of High Quality MaterialsAvailable in different sizes
      $8.19 - $12.08
    • (0 reviews)
      # 18131304
      GMC Sierra 2008, Stainless Steel Round Diesel Particulate Filter by Walker®. CARB Compliant: No. Material: Stainless Steel. Overall Length: 51". Inlet Quantity: 1 Inlet. Outlet Quantity: 1 Outlet. Inlet Connection Type: 4 Bolt...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1,305.81
    • (0 reviews)
      # 138289882
      GMC Sierra 6.6L Crew Cab 2008, Direct Fit Federal OEM Grade Diesel Particulate Filter by MagnaFlow®. Catalytic Series: OEM Grade. CARB Compliant: No. Converter Configuration: Direct-Fit. Inlet Diameter: 4.25". Outlet Diameter:...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $2,413.12
    • (0 reviews)
      # 128881714
      Universal Air Tube Saddle Clamp by AP Exhaust®. This superior product was carefully designed with key attention to detail and manufactured from high-grade materials to the strict standards of the highest quality. This AP Exhaust...
      Made from first-rate materialsEnsures outstanding durability
      $2.84
    • (0 reviews)
      # mpn886220
      Universal 260 Series Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 260 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $247.74
    • (1 review)
      # 120105876
      Universal 283 Series OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 283 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $103.95 - $127.74




    2008 GMC Sierra Catalytic Converters Reviews

    Average rating:  4.5  4.5 - 39 reviews
    5 of 5
    CanAmMex® 00747-212 - Thunderbolt™ Hi-Polished Single Rolled Angled Oval Tip
    These appear to be of very good quality, good welds.
    JPosted by John (Enfield, CT) /
    Was this review helpful for you? Yes
    View More
    2008 GMC Sierra Models
    SECURE SHOPPING

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only.
    It is neither inferred nor implied that any item sold by CARiD.com, is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.