DNJ
DNJ 1986 Chevrolet C20 Suburban 5.7L Conversion / Lower Gasket Set
DNJ 1986 Chevrolet C20 Suburban 5.7L Conversion / Lower Gasket Set
Part number: LGS3103_8
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Chevrolet C20 SuburbanFitment notes & questions
DNJ gasket, listed for 1986 Chevrolet C20 Suburban with the 5.7L 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: 1986 Chevrolet C20 Suburban
- Engine: 5.7L
- Engine code: VIN F Chevrolet 16V OHV
- Part number: LGS3103_8
Listed fitment
- [1981-1997] AVANTI, GM / V8 / 4.3L, 5.0L, 5.7L / 265, 305, 350 OHV 16V [(CHEVROLET, LT1, VORTEC)]
Good to know
- Notes: Premium Sealing Solution; Conversion Set; Lower
- 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 Chevrolet C20 Suburban: 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: Chevrolet C20 Suburban.
- 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: Chevrolet Parts · Engine
Questions about Chevrolet C20 Suburban gasket
Will this fit my Chevrolet C20 Suburban?
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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