Valve Cover for Chevrolet Avalanche Oil Fill Neck Tube Plastic Direct-Fit Replacement

Introducing the Chevrolet Avalanche Oil Fill Tube Neck Valve Cover (Plastic) — a direct-fit, durable plastic replacement designed to seal the engine’s oil fill neck, keeping oil contained and protecting the engine from dust and debris. This part references OEM numbers 917-420, 12574386, and 8125743860 and Interchange Part Numbers 917-420,12574386,8125743860, offering a reliable, ready-to-install solution for a wide range of GM vehicles. It’s crafted in mainland China from sturdy plastics to withstand engine heat and daily use, delivering a lightweight, long-lasting seal for the oil fill neck. It’s a practical choice for owners replacing a damaged or missing oil fill neck cover on compatible Chevrolet, GMC and related models.

Fits and compatibility cover a broad spectrum of GM trucks and SUVs, including Chevrolet Avalanche 2003–2008 (LS, LT, LTZ); Avalanche 1500 models; Silverado 1500/2500/3500 series; Suburban; Tahoe; Escalade; Trailblazer; Envoy; Sierra; SSR; Rainier; and more as listed in the compatibility notes. This means you can source a single, reliable replacement part without hunting for a dozen different covers, helping you save time and avoid guesswork when you’re reassembling or restoring an engine bay.

Benefits & Tips

• Restore a tight seal on the oil fill neck to prevent oil leaks and keep contaminants out of the engine bay.
• Easy, direct-fit replacement that typically requires minimal tools, so you can complete a quick repair and get back on the road.
• Consistent performance during oil changes and routine maintenance, helping to maintain engine cleanliness and oil system integrity.

Product specifications

• Brand Name: NONE
• Interchange Part Number: 917-420,12574386,8125743860
• OEM No.: 917-420,12574386,8125743860
• Material: Plastics
• Origin: Mainland China
• Placement on Vehicle: Oil Fill Tube
• Special Features: Oil Fill Tube
• Item Height: 1
• Item Length: 1
• Item Width: 1
• Item Weight: 65G

Package includes:

• 1 x Oil Fill Tube Neck Valve Cover (Plastic) for Chevrolet Avalanche and compatible GM models

Warnings/Reminders

• Please verify compatibility with your exact year/model from the provided list before purchasing.
• Handle with care to avoid cracking the plastic; store in a cool, dry place away from direct sun when not installed.

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