DNJ
DNJ Conversion Gasket Set 2005-2008 Buick, Pontiac 3.8L
DNJ Conversion Gasket Set 2005-2008 Buick, Pontiac 3.8L
Part number: LGS3189
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: 2005–2008 Buick and PontiacFitment notes & questions
DNJ Conversion Gasket Set, listed for 2005–2008 Buick and Pontiac with the 3.8L engine. Gaskets seal the joints between engine parts so oil, coolant and air stay where they belong.
Quick facts
- Brand: DNJ
- Part type: Gasket
- Listed for: 2005–2008 Buick and Pontiac
- Engine: 3.8L
- Engine code: VIN K 12V OHV
- Part number: LGS3189
Listed fitment
- [2000-2009] GM / V6 / 3.8L / 231 OHV 12V
Good to know
- Notes: Premium Sealing Solution; Conversion Set, w/ 2ND DESIGN; Lower, 2nd Design w/ Engine Block Cast No. 12585793
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Clean both mating surfaces completely and follow the bolt torque and sequence for your engine.

DNJ gasket for the Buick and Pontiac: what to know
An old gasket gets hard and shrinks with heat cycles, which is when leaks start. A new gasket restores the seal.
Fitment notes
- Listed for: 2005–2008 Buick and Pontiac.
- Model years: 2005–2008. Check your car's year falls inside this range.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Sealant where called for. Some joints need a dab of sealant at corners or seams; others must go on dry.
- Bolts and grommets. Rubber grommets and old bolts are worth replacing if they are damaged.
More for your car: Buick Parts · Engine
Questions about Buick and Pontiac gasket
Will this fit my Buick and Pontiac?
Do I need sealant with this gasket?
Can I reuse an old gasket?
Where do specs and warranty details come from?
Questions & answers
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