A-Premium Transmission Oil Cooler Line Hose Assembly — 2006–2008 Ford F-150 & Mark LT, 45-inch Direct Fit

This direct-replacement hose assembly is engineered to restore reliable transmission oil flow for Ford F-150 (2006–2008) with 4.6L and 5.4L V8 engines and Lincoln Mark LT models with the 5.4L V8. It includes both inlet and outlet lines sized to match factory routing, offers a 45-inch overall length, and comes without gaskets or seals. Check your vehicle configuration—this kit fits systems equipped with an auxiliary oil cooler but lacking a bypass valve.

Will this hose assembly fit my truck?

Confirming fitment requires matching year, engine, and the presence of an auxiliary oil cooler without a bypass valve. The part is intended for Ford F-150 2006–2008 V8 4.6L and 5.4L engines and Lincoln Mark LT 2006–2008 V8 5.4L models.

• Compatible years: 2006, 2007, 2008
• Engines: V8 4.6L and V8 5.4L (F-150); V8 5.4L (Mark LT)
• Required configuration: auxiliary oil cooler present, bypass valve absent
• Reference numbers: 624-551, 5801499, 7L3Z7R081A

How does this assembly compare to OEM lines?

The A-Premium lines are manufactured as direct replacements to replicate original routing and fitment. They aim to restore factory performance by matching length and connections, while offering a one-year unlimited-mileage warranty for added confidence.

• Direct-replacement fitment for simple installation
• 45-inch length to mirror factory routing
• Reference-compatible with common OEM part numbers
• Backed by a one-year unlimited-mileage guarantee

What should I know before installing these hoses?

Inspect your vehicle to ensure it has the auxiliary oil cooler and no bypass valve—this assembly will not fit systems with a bypass. Since gaskets or seals are not included, have replacement seals or O-rings on hand if your installation requires them.

• Gaskets/seals excluded—purchase separately if needed
• Verify auxiliary cooler presence and bypass valve absence
• Simple swap for vehicles with matching factory connections
• Check part numbers against your OEM references before ordering

What performance and longevity can I expect?

These hoses restore proper transmission fluid circulation when installed correctly, helping maintain transmission cooling under normal driving conditions. They are designed for durability comparable to OEM components, with the added reassurance of the manufacturer warranty.

• Designed for transmission oil cooling circuits with auxiliary cooler
• Built to OEM-style specifications for consistent flow and pressure
• One-year unlimited-mileage warranty covers defects
• Intended as a long-term repair when matched to correct vehicle configuration

Who is this for: This A-Premium Inlet and Outlet Transmission Oil Cooler Line Hose Assembly is aimed at DIY mechanics, independent repair shops, and fleet technicians working on 2006–2008 Ford F-150 trucks (4.6L and 5.4L V8) or 2006–2008 Lincoln Mark LT (5.4L V8) that have an auxiliary oil cooler but no bypass valve. Buy this kit if you need a direct-replacement line to restore factory routing and reliable transmission fluid cooling; verify compatibility and obtain any necessary seals before installation.