MOTOKU Engine Oil Filler Tube with Gasket & Cap — GM 2002–2008 Fit, OE-Style Seal

MOTOKU's Engine Oil Filler Tube with Gasket and Oil Filler Cap is a direct-fit replacement that restores sealed, easy oil filling on compatible GM trucks and SUVs from the 2002–2008 era.

If your vehicle’s oil fill tube or cap is cracked, missing, or leaking, this MOTOKU assembly brings back a secure, OE-style interface so you can top off engine oil without spills or contamination. Built to match original dimensions and part numbers, the kit includes a molded filler tube, a matching gasket for proper sealing, and an oil cap that threads and seals like the factory component.

Which vehicles will this oil filler tube fit?

This filler tube is manufactured to replace specific factory parts and fits a wide roster of GM models and years. Confirm compatibility by cross-checking the model and year of your vehicle against the listed makes to ensure a correct fit before purchase.

• GMC: Yukon, Yukon XL, Sierra (multiple variants), Envoy models across 2003–2008 ranges
• Chevrolet: Silverado, Avalanche, Tahoe, Suburban, Trailblazer, SSR across 2003–2008
• Cadillac Escalade/EXT/ESV, Buick Rainier, Hummer H2/H3, Isuzu Ascender — see detailed year ranges

How does this replacement match original equipment?

The MOTOKU tube is engineered to meet original fitment and function, replacing OEM part numbers such as 917-420, 12574386, 12573337, and FC208. The included gasket ensures the same sealing behavior as the factory part to prevent oil leaks and keep contaminants out.

• Engineered for OE-style dimensions and mounting points
• Includes a gasket to reproduce factory sealing performance
• Oil filler cap matches factory thread and sealing profile

What are the benefits of replacing a damaged filler tube now?

Replacing a worn or broken filler tube prevents oil loss and keeps dirt and moisture from entering the engine during fills. A secure, properly sealed cap reduces the chance of oil smell in the cabin and helps maintain correct crankcase pressure during operation.

• Stops visible oil leakage at the fill point
• Prevents dirt and moisture from entering the engine oil system
• Restores secure cap closure to reduce odors and vapor escape

What comes in the package and is installation difficult?

The kit ships with the engine oil filler tube, an installation gasket, and the oil filler cap—everything needed for a straightforward replacement. Installation is typically a simple DIY job for someone comfortable working under the hood and using basic hand tools; tight spaces may require patience but no special equipment.

• Package includes: filler tube, gasket, and oil filler cap
• Requires basic hand tools and light mechanical experience
• Commonly a 10–30 minute replacement depending on vehicle access

Who is this for: This MOTOKU Engine Oil Filler Tube kit is aimed at owners and mechanics of GM trucks and SUVs from the 2002–2008 model years who need a reliable, direct-fit replacement for cracked, missing, or leaking oil fill components. It’s suitable for DIYers looking to restore proper oil filling function and for shops performing routine maintenance or repairs where OEM-compatible parts are required.