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Genuine GM 

3991407

Ring Gear

Part Description GEAR, Engine Flywheel
Part Notes
5.7L; All Models; Caballero, El Camino
Brand GM
Warranty Genuine GM parts are backed by GM's factory warranty which are high-quality vehicle-specific with the right fit the first time.
Your Price: $46.37
Retail Price: $72.63
You Save: $26.26

Vehicle Specific

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Part Fitment for 3991407

Make Model Year
  • Trim
  • Engine

Chevrolet Camaro

1993-1997

  • Indianapolis 500 Pace Car, Z28

  • 8 Cyl 5.7 L GAS

Chevrolet Corvette

1984-1991

  • 35th Anniversary Edition, Base, Indianapolis 500 Pace Car, ZR-1

  • 8 Cyl 5.7 L GAS

Chevrolet El Camino

1984-1987

  • Base, Conquista, SS

  • 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL

GMC Caballero

1984-1987

  • Amarillo, Base, Diablo

  • 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL

Pontiac Firebird

1993-1997

  • Formula, Trans Am, Trans Am GT

  • 8 Cyl 5.7 L GAS

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California Residents

Warning: Cancer and reproductive harm - www.P65Warnings.ca.gov

Genuine GM 3991407 at GM Parts Prime, Your Right Choice

This GM part # 3991407 is a Ring Gear and carries a factory warranty. It is sometimes referred to as Flywheel Ring Gear. We offer the best online prices with fast shipping on any order placed with us. This part fits Chevrolet Camaro, Corvette, El Camino. It fits GMC Caballero. It also fits Pontiac Firebird. All our GM parts and accessories are shipped directly from authorized GM dealers and backed by the manufacturer's warranty.
Buy with Confidence
  • Dedicated Service

    We have experienced professionals here to help you via phone, live chat or email.
  • Lowest Prices

    We offer genuine OEM parts at the best possible discounted prices online.
  • Fast Delivery

    Your orders are processed efficiently and delivered as promptly as possible.
 
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This part contains hazardous material.

This part is a packaged part and contains multiple quantities of: (Pack Qty: 4)

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.