Dorman 977-308 Throttle Body

Out of stock
SKU: 591|977308
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $168.93
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|977308
  • Barcode 0

Product Description

When a vehicle idles erratically, displays a malfunction indicator lamp or sets DTCs, the cause might be oil ingress or dirt and carbon buildup in the electronic throttle body. This replacement electronic throttle body is designed to match the performance of the original equipment unit on specified vehicles and is built from high-quality materials with exacting standards to help prevent future failures.

  • Direct replacement - this replacement electronic throttle body is designed to match the performance of the original equipment throttle body on specified vehicles
  • Ideal solution - engineered to help restore proper engine performance when the factory throttle body is malfunctioning due to oil ingress or dirt and carbon buildup, resulting in DTCs and erratic idle
  • Durable construction - features high-quality materials engineered and manufactured to exacting standards to help prevent future failures
  • Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience

Detailed Applications

Year Make Model Configuration Positions Application Notes
2009 Chevrolet C4500 Kodiak V8 496 8.1L Original Design
2009 Chevrolet C5500 Kodiak V8 496 8.1L Original Design
2009 Chevrolet C6500 Kodiak V8 496 8.1L Original Design
2009 Chevrolet C7500 Kodiak V8 496 8.1L Original Design
2009 Chevrolet C8500 V8 496 8.1L Original Design
2009 Chevrolet C8500 Kodiak V8 496 8.1L Original Design
2009 GMC C4500 Topkick V8 496 8.1L Original Design
2009 GMC C5500 Topkick V8 496 8.1L Original Design
2009 GMC C6500 Topkick V8 496 8.1L Original Design
2009 GMC C7500 Topkick V8 496 8.1L Original Design
2009 GMC C8500 Topkick V8 496 8.1L Original Design
2008 Chevrolet C4500 Kodiak V8 496 8.1L Original Design
2008 Chevrolet C5500 Kodiak V8 496 8.1L Original Design
2008 Chevrolet C6500 Kodiak V8 496 8.1L Original Design
2008 Chevrolet C7500 Kodiak V8 496 8.1L Original Design
2008 Chevrolet C8500 V8 496 8.1L Original Design
2008 Chevrolet C8500 Kodiak V8 496 8.1L Original Design
2008 GMC C4500 Topkick V8 496 8.1L Original Design
2008 GMC C5500 Topkick V8 496 8.1L Original Design
2008 GMC C6500 Topkick V8 496 8.1L Original Design
2008 GMC C7500 Topkick V8 496 8.1L Original Design
2008 GMC C8500 Topkick V8 496 8.1L Original Design
2007 Chevrolet C4500 Kodiak V8 496 8.1L Original Design
2007 Chevrolet C5500 Kodiak V8 496 8.1L Original Design
2007 Chevrolet C6500 Kodiak V8 496 8.1L Original Design
2007 Chevrolet C7500 Kodiak V8 496 8.1L Original Design
2007 Chevrolet C8500 V8 496 8.1L Original Design
2007 Chevrolet C8500 Kodiak V8 496 8.1L Original Design
2007 Chevrolet Silverado 2500 HD Classic V8 496 8.1L Original Design
2007 Chevrolet Silverado 3500 Classic V8 496 8.1L Original Design
2007 GMC C4500 Topkick V8 496 8.1L Original Design
2007 GMC C5500 Topkick V8 496 8.1L Original Design
2007 GMC C6500 Topkick V8 496 8.1L Original Design
2007 GMC C7500 Topkick V8 496 8.1L Original Design
2007 GMC C8500 Topkick V8 496 8.1L Original Design
2007 GMC Sierra 2500 HD Classic V8 496 8.1L Original Design
2007 GMC Sierra 3500 Classic V8 496 8.1L Original Design
2006 Chevrolet Avalanche 2500 V8 496 8.1L Original Design
2006 Chevrolet C4500 Kodiak V8 496 8.1L Original Design
2006 Chevrolet C5500 Kodiak V8 496 8.1L Original Design
2006 Chevrolet C6500 Kodiak V8 496 8.1L Original Design
2006 Chevrolet C7500 Kodiak V8 496 8.1L Original Design
2006 Chevrolet C8500 V8 496 8.1L Original Design
2006 Chevrolet C8500 Kodiak V8 496 8.1L Original Design
2006 Chevrolet Silverado 2500 HD V8 496 8.1L Original Design
2006 Chevrolet Silverado 3500 V8 496 8.1L Original Design
2006 Chevrolet Suburban 2500 V8 496 8.1L Original Design
2006 GMC C4500 Topkick V8 496 8.1L Original Design
2006 GMC C5500 Topkick V8 496 8.1L Original Design
2006 GMC C6500 Topkick V8 496 8.1L Original Design
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Product Specifications

Package Contents: 1 Throttle Position Sensor
Package Quantity: 1
Packaging Type: Box
Throttle Position Sensor Included: Yes

OE Numbers

DIRECT OE CROSS
12570801 GENERAL MOTORS
12679526 GENERAL MOTORS
19420714 GENERAL MOTORS