For 99.5-03 Ford 7.3L F250 F350 F450 F550 High Pressure Crossover Tube w/ Oring

High Pressure Crossover Tube for Ford 7.3L

This is a high pressure crossover tube with O-ring, designed for the 99.5-03 Ford 7.3L engine in F250, F350, F450, and F550 trucks, connecting fuel delivery between cylinder heads. It replaces the OEM crossover tube, part number for Ford 7.3L 99.5-03, ensuring proper fuel pressure distribution. This crossover tube is essential for maintaining correct fuel rail pressure in your Power Stroke diesel.

Overview

This high pressure crossover tube for Ford 7.3L 99.5-03 models routes fuel between the two cylinder heads to equalize pressure, while the included O-ring prevents leaks. It is built to meet OEM specifications, fitting F250, F350, F450, and F550 trucks with the 7.3L diesel engine. The crossover tube replaces a worn or corroded original part to restore fuel system integrity.

Built For Performance

• Constructed from heavy-duty steel tubing to withstand high fuel pressures
• Includes a new O-ring for a secure, leak-free seal
• Engineered to match OEM dimensions and routing for direct installation
• Helps maintain even fuel pressure across both cylinder heads
• Corrosion-resistant finish for long service life in engine bay conditions

Fits These Machines

• for Ford F250 7.3L (99.5-03)
• for Ford F350 7.3L (99.5-03)
• for Ford F450 7.3L (99.5-03)
• for Ford F550 7.3L (99.5-03)

On-The-Job Use

• Used during engine rebuilds or fuel system overhauls on 7.3L Power Stroke diesels
• Replaces cracked or leaking crossover tubes that cause hard starting or loss of power
• Ideal for fleet maintenance on heavy-duty Ford trucks with the 7.3L engine

Specs At A Glance

Good To Know

Q: What does the high pressure crossover tube do in a 7.3L Ford engine? A: It connects the left and right cylinder head fuel rails to equalize fuel pressure, ensuring consistent injection pressure across all cylinders. A failed tube can cause rough idle, white smoke, or fuel leaks.

Q: How do I know if this crossover tube fits my truck? A: Confirm your truck is a 99.5-03 model with the 7.3L diesel engine, and check that your existing crossover tube is the same physical design. Always verify by comparing the old part before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.