DNJ
DNJ Valve Cover Gasket Set 1999-2017 Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab 4.8L-7.0L
DNJ Valve Cover Gasket Set 1999-2017 Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab 4.8L-7.0L
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$12.99 USD
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet GMC HummerFitment notes & questions
DNJ Valve Cover Gasket Set, listed for 1999–2017 Buick, Cadillac, Chevrolet, GMC, Hummer and Isuzu with the 4.8L engine. Replacing a gasket is usually more labor than parts, so it pays to replace any others you disturb on the way in.
Quick facts
- Brand: DNJ
- Part type: Gasket
- Listed for: 1999–2017 Buick, Cadillac, Chevrolet, GMC, Hummer and Isuzu
- Engine: 4.8L
- Engine code: VIN G 16V OHV,
- Part number: VC3165
Listed fitment
- [1997-2017] AVANTI, GM, ISUZU, SAAB / V8 / 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L / 293, 325, 350, 364, 376, 427 OHV 16V [(L20, L33, L59, L76, L76, L77, L92, L94, L92, L9H, L96, L99, LC8, LC9, LFA, LZ1, LH6, LH8, LH9, LM4, LM7, LM7, LMF, LMG, LR4, LS1, LS3, LS4, LS7
Good to know
- Notes: w/o Spark Plug Tube Seals & Grommets,
- 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.

Before you order: Chevrolet GMC Hummer gasket fitment
Gaskets seal the joints between engine parts so oil, coolant and air stay where they belong.
Fitment notes
- Listed for: Chevrolet GMC Hummer.
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- 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? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentPlan the whole job
- 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: Cadillac Valve Cover Gaskets · Chevrolet Parts · Engine
Questions about Chevrolet GMC Hummer gasket
Will this fit my Chevrolet GMC Hummer?
It is listed for the Chevrolet GMC Hummer. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
Do I need sealant with this gasket?
It depends on the joint. Follow your engine service manual; many modern gaskets go on dry.
Can I reuse an old gasket?
No. Once compressed, a gasket will not seal reliably a second time.
Where do specs and warranty details come from?
From DNJ. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.