Description
Genuine Ford 5.4L V8 Upgraded Timing Chain Tensioners – Pair
OEM Ford Part Numbers: F6AZ-6L266-CA & F6AZ-6L266-DA
Upgrade your Ford Modular V8 timing system with these genuine Ford OEM revised timing chain tensioners, supplied as a matched LH & RH pair.
These are the later steel body tensioners, designed by Ford to replace the earlier plastic-bodied units commonly known for wear, oil pressure loss, timing chain noise, and in severe cases, timing system failure.
Ideal for preventative maintenance, engine rebuilds, camshaft upgrades, or when servicing worn timing components.
Features
✔ Genuine Ford OEM parts
✔ Sold as a matched pair (Left & Right bank)
✔ Latest revised steel body design
✔ Direct replacement for earlier plastic tensioners
✔ Helps maintain correct timing chain control and oil pressure retention
✔ Can reduce cold start chain rattle and timing instability
Ford Part Numbers Included
- F6AZ-6L266-CA
- F6AZ-6L266-DA
Vehicle Compatibility
Suitable for Ford vehicles fitted with the 5.4L Modular V8, including:
- Ford Falcon BA / BF / FG V8
- Fairmont
- Fairlane
- LTD
- FPV GT / GT-P / Pursuit
- Boss 260 / 290 / 302 / 315
Suitable for both:
- 24V 3-Valve 5.4L
- 32V 4-Valve Boss 5.4L
Why Upgrade?
Early factory plastic tensioners can become brittle or lose sealing efficiency over time, leading to:
- Timing chain rattle on startup
- Chain slack or unstable cam timing
- Poor engine performance
- Increased risk of major timing system damage
Upgrading to the genuine Ford steel-body revision helps improve long-term reliability.
Important Notes
Professional installation recommended. Timing cover removal is required. We recommend inspecting timing guides, chains, cam phasers, and oil pump condition during installation.



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