Description
Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.
- Item model number
:
MM12643081
- Date First Available
:
July 7, 2025
- Manufacturer
:
General Motors
- ASIN
:
B0FGYDK1RL
- Country of Origin
:
USA
- Best Sellers Rank: #1,619,916 in Automotive (See Top 100 in Automotive)
- #933 in Automotive Replacement Oil Pan Gasket Sets
Seal your LS4-powered ride with confidence using the Genuine GM 12643081 Oil Pan Gasket—engineered for exact fitment and superior reliability. Designed specifically for the 5.3L LS4 front-wheel drive engine found in select 2005–2009 GM vehicles, this gasket is the go-to choice for factory-quality sealing during oil pan replacements, engine rebuilds, or leak prevention. Featuring a raised stamped oil deflector tab, this gasket is unique to the LS4’s FWD layout, offering proper internal oil channeling and sealing against high-pressure environments. Built to OEM specifications and backed by GM engineering, it’s an essential component for any serious LS4 build or maintenance job. Whether you’re freshening up a tired Impala SS or replacing a leaking pan on your Monte Carlo SS, this gasket ensures a leak-free install you can trust. No drilling, trimming, or RTV needed—just bolt it on and go.
Vehicle information
Available fitment details
Listing compatibility notes
- 3L LS4 FWD Platforms – Designed to fit GM’s unique FWD LS4 block found in 2005–2009 Impala SS, Monte Carlo SS, Grand Prix GXP, and Buick Lacrosse Super.
- Easy Direct-Fit Installation – No cutting or custom fitting needed; bolts up cleanly with your factory LS4 oil pan and hardware.
Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.
Repair scenarios, installation, companion parts, and use outcomes
Buying guidance
Quick decision
Review this oil pan gasket sets in the context of the repair and the surrounding components.
Repair scenario
- Identify the symptom and confirm that this is the component required by the repair.
- Inspect nearby connectors, fasteners, and mating surfaces before installation.
Installation notes
- Use the listing instructions when present and follow the vehicle service procedure.
- Professional installation may be appropriate when the repair requires special tools or calibration.
Companion parts
- Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
- Use the service procedure and the visible package contents to identify any additional parts or tools required.
Before you buy
- Compare the listing title, photos, package contents, and specifications with the part being replaced.
- Confirm vehicle compatibility and installation requirements before ordering.
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