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2021 GMC Sierra 3500 HD
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2021 GMC Sierra 3500 HD

2021 GMC Sierra 3500 HD Throttle Bodies

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Throttle Body, 8 Cyl., Engine Des: L8T, Engine Vin: 7
Replacement
Throttle Body, 8 Cyl., Engine Des: L8T, Engine Vin: 7
Part Number: RC31500024
Guaranteed to Fit
$63.49
Vehicle Fitment
  • 2021 GMC Sierra 3500 HD SLT 8 Cyl 6.6L Engine Des: L8T, Engine Vin: 7
  • 2021 GMC Sierra 3500 HD Denali 8 Cyl 6.6L Engine Des: L8T, Engine Vin: 7
  • 2021 GMC Sierra 3500 HD AT4 8 Cyl 6.6L Engine Des: L8T, Engine Vin: 7
  • 2021 GMC Sierra 3500 HD Base 8 Cyl 6.6L Engine Des: L8T, Engine Vin: 7
  • 2021 GMC Sierra 3500 HD SLE 8 Cyl 6.6L Engine Des: L8T, Engine Vin: 7
Product Details
Attention Needed :

This throttle body needs a relearn procedure to ensure accurate calibration and smooth performance.

Condition : NewReplaces OE Number : 12678312Quantity Sold : Sold individuallyWarranty : 1-year Replacement unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 12678312, 12678312Recommended Use : OE ReplacementProduct Fit : Direct FitReturns Policy : 30-Day Return Policy
Throttle Body, 8 Cyl., 6.6L Engine, GAS, Water Pump, Cover
Dorman®
Throttle Body, 8 Cyl., 6.6L Engine, GAS, Water Pump, Cover
Part Number: RB9022981
Guaranteed to Fit
$50.49
Vehicle Fitment
  • 2021 GMC Sierra 3500 HD Base 8 Cyl 6.6L GAS, Water Pump; Cover
  • 2021 GMC Sierra 3500 HD SLT 8 Cyl 6.6L GAS, Water Pump; Cover
  • 2021 GMC Sierra 3500 HD Denali 8 Cyl 6.6L GAS, Water Pump; Cover
  • 2021 GMC Sierra 3500 HD SLE 8 Cyl 6.6L GAS, Water Pump; Cover
  • 2021 GMC Sierra 3500 HD AT4 8 Cyl 6.6L GAS, Water Pump; Cover
Product Details
Series : OE Solutions SeriesCondition : NewReplaces OE Number : 5945KT, 12587395, 89018168, 8125873950, 8890181680Quantity Sold : Sold individuallyWarranty : Lifetime Dorman limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 5945KT, 12587395, 89018168, 8125873950, 8890181680Recommended Use : OE Replacement
Throttle Body, 8 Cyl., 6.6L Engine
AC Delco®
Throttle Body, 8 Cyl., 6.6L Engine
Part Number: AC12697037
Guaranteed to Fit
$88.99
Vehicle Fitment
  • 2021 GMC Sierra 3500 HD Base 8 Cyl 6.6L 2-Door, Standard Cab Pickup
  • 2021 GMC Sierra 3500 HD SLT 8 Cyl 6.6L 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 3500 HD Denali 8 Cyl 6.6L 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 3500 HD SLE 8 Cyl 6.6L 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 3500 HD AT4 8 Cyl 6.6L 4-Door, Crew Cab Pickup
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
Atomic TBI Throttle Body Unit only
MSD®
Atomic TBI Throttle Body Unit only
Part Number: M462905
Universal Fit
$1,250.95
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : 1-year MSD limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : PerformanceProduct Fit : Universal
EFI Mono Blade Throttle Body, 105 mm, Aluminum, Dual O-Ring, Sold Individually
Holley®
EFI Mono Blade Throttle Body, 105 mm, Aluminum, Dual O-Ring, Sold Individually
Part Number: H19112591
Universal Fit
$622.02
Product Details
Notes : Dual O-RingSeries : EFI Mono Blade SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Deals : ClearanceVenturi Diameter : 105 mmMaterial : AluminumNumberof Venturi : OneProduct Fit : Universal
LS EFI Series Throttle Body
Holley®
LS EFI Series Throttle Body
Part Number: H19112589
Universal Fit
$686.95
Product Details
Notes : Includes Mounting Hardware and GasketSeries : LS EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 90 mmMaterial : AluminumNumberof Venturi : OneProduct Fit : UniversalEmissions : 46-State Legal (Cannot ship to CA, CO, NY or ME)
Terminator EFI Series Throttle Body
Holley®
Terminator EFI Series Throttle Body
Part Number: H19112588
Universal Fit
$485.95
Product Details
Notes : 1,000 CFM Flow Rate; All necessary vacuum ports (1) timed spark, (2) 3/8 in. and (2) 3/16 in. full manifold vacuum ports; Ford transmission kick down lever for use with Ford automatic transmissionsSeries : Terminator EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : Lifetime Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 1.75 in.Material : AluminumRecommended Use : PerformanceNumberof Venturi : FourProduct Fit : Universal
Terminator EFI Series Throttle Body
Holley®
Terminator EFI Series Throttle Body
Part Number: H19112587
Universal Fit
$610.95
Product Details
Notes : 1,000 CFM Flow Rate; All necessary vacuum ports (1) timed spark, (2) 3/8 in. and (2) 3/16 in. full manifold vacuum ports; Ford transmission kick down lever for use with Ford automatic transmissionsSeries : Terminator EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : Lifetime Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 1.75 in.Material : AluminumRecommended Use : PerformanceNumberof Venturi : FourProduct Fit : Universal
Throttle Body
Holley®
Throttle Body
Part Number: H19112123
Universal Fit
$1,227.95
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : Lifetime Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : Performance ReplacementProduct Fit : Universal
High-Flow EFI Series Throttle Body
Holley®
High-Flow EFI Series Throttle Body
Part Number: H19112577
Universal Fit
$833.95
Product Details
Notes : 1,000 CFM Flow Rate; Designed for Multi-Port Injection (MPI); Square bore flange; Progressive linkage system; Throttle shafts are offset with respect to the throttle plates so engine vacuum will assist throttle plate closureSeries : High-Flow EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 44.45 mmMaterial : AluminumNumberof Venturi : FourProduct Fit : Universal
LS EFI Series Throttle Body
Holley®
LS EFI Series Throttle Body
Part Number: H19112581
Universal Fit
$703.95
Product Details
Notes : Requires HLY-543-111 TPS (Sold separately); Designed for use with 4-bolt LS intake manifolds.Series : LS EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 105 mmMaterial : AluminumNumberof Venturi : OneProduct Fit : Universal
LS EFI Series Throttle Body
Holley®
LS EFI Series Throttle Body
Part Number: H19112583
Universal Fit
$703.95
Product Details
Notes : Requires HLY-543-111 TPS (Sold separately); Designed for use with 4-bolt LS intake manifolds. Fits drive-by-cable applications and does not have tapered edge.Series : LS EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 105 mmMaterial : AluminumNumberof Venturi : OneProduct Fit : Universal
LS EFI Series Throttle Body
Holley®
LS EFI Series Throttle Body
Part Number: H19112585
Universal Fit
$683.95
Product Details
Notes : Requires HLY-543-111 TPS, sold separately. Designed for use with 4-bolt LS intake manifolds. Fits drive-by-wire apps and has tapered edge for increased pedal to throttle travel at low RPM's to improve drivability on street and strip apps.Series : LS EFI SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Venturi Diameter : 95 mmMaterial : AluminumNumberof Venturi : OneProduct Fit : Universal
EFI Dominator Flange Throttle Body, 2550 CFM, Aluminum, Sold Individually
Holley®
EFI Dominator Flange Throttle Body, 2550 CFM, Aluminum, Sold Individually
Part Number: H19112593
Universal Fit
$1,799.95
Product Details
Notes : 2550 CFM Flow RateSeries : EFI Dominator Flange SeriesCondition : NewQuantity Sold : Sold individuallyWarranty : 90-day Holley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : AluminumNumberof Venturi : TwoProduct Fit : Universal
Atomic LS 90mm Throttle Body
MSD®
Atomic LS 90mm Throttle Body
Part Number: M46A2940
Universal Fit
$938.95
Product Details
Condition : NewQuantity Sold : Sold individuallyWarranty : 1-year MSD limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : PerformanceProduct Fit : Universal
Page 1 of 1 | Showing 1 - 15 of 15 results

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Why Clean the Throttle Body? Straight AnswersThere are two types of throttle bodies, namely the older style with a throttle cable and a drive-by-wire throttle body. Throttle cables are generally okay for you to clean at home. Drive-by-wire throttles, on the other hand, should only be handled by experts. This is because you can damage the
Oil In the Throttle Body: Causes, Symptoms, and Replacement Costs
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Where Is the Throttle Position Sensor Located?
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Replacing a Throttle Cable: What It Entails Plus Related FAQs
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