MNJWS Intake Manifold Gasket Set for 4.8L/5.3L/6.0L GM Vortec Engines — Full Direct-Fit Kit, OEM-Style Sealing

This complete gasket kit replaces worn or leaking intake manifold seals on many GM trucks and SUVs from the late 1990s through mid-2010s. It’s engineered as a direct-fit aftermarket replacement for common OEM part numbers (including 89060413 and Fel-Pro equivalents) and is supplied as a full set so you can reinstall the intake without hunting for additional pieces.

Which vehicles and engines will this gasket set fit?

This MNJWS kit is built for GM Vortec V8 engines in 4.8L, 5.3L, 6.0L and some 6.2L applications. Coverage spans numerous Chevrolet, GMC, Cadillac, Hummer, Isuzu and Saab models across model years roughly 1999–2014. Always verify your engine displacement and factory part number before ordering.

• Fits Chevy: Silverado, Suburban, Tahoe, Avalanche, Colorado, Trailblazer, Express
• Fits GMC: Sierra, Yukon, Savana, Canyon, Envoy
• Also fits: Cadillac Escalade, Hummer H2/H3/H3T, Isuzu Ascender, Saab 9-7x

How does this gasket kit address common engine symptoms?

A failing intake manifold gasket can allow coolant or intake leaks, which show up as rough idle, coolant loss, overheating or reduced performance. Replacing the gasket restores the intake seal and helps the engine breathe and cool as intended, reducing those symptoms when the gasket is the root cause.

• Stops coolant seepage between manifold and heads
• Prevents unmetered air from entering intake runners
• Helps restore proper idle, power delivery and fuel efficiency

What’s included and does it match OEM specifications?

The set includes all intake manifold gaskets required for a full installation and is manufactured to meet or exceed common OEM tolerances. MNJWS uses durable gasket materials and production methods intended for direct replacement; it's marketed as compatible with several Fel-Pro and GM part numbers.

• Complete intake manifold gasket set for both upper and lower sealing surfaces
• Manufactured to match OEM fit and sealing profiles
• Ships with a 12-month warranty and customer support for fitment questions

Can I install this gasket set myself and what tools are needed?

Experienced DIYers can replace the intake manifold gaskets at home with moderate mechanical skill; the job requires disassembly of intake components and careful torqueing during reassembly. If you’re not comfortable with engine work, have a qualified technician perform the replacement to ensure proper sealing and torque sequence.

• Common tools: socket set, torque wrench, gasket scraper, sealant where specified
• Plan for cleaning mating surfaces and replacing any associated seals
• Follow manufacturer torque specs and stepwise reassembly to avoid leaks

Who this is for: This MNJWS Intake Manifold Gasket Set is aimed at owners, mechanics and restoration shops working on GM Vortec V8 vehicles from the late 1990s through the mid-2010s who need a direct-fit replacement for leaking or aged intake gaskets. Choose this kit if you require comprehensive coverage of gaskets in a single package, compatibility with common GM and Fel-Pro part numbers, and a backed aftermarket option with a 12-month warranty.