Valve Cover Gasket and Glow Plug Kit for Ford Excursion (2000-2003) 7.3L

Complete Valve Cover Gasket and Glow Plug Kit for 2000-2003 Ford Excursion (U137)

What it Does: The Valve Cover Gasket and Glow Plug Kit replaces failing under-valve-cover harnesses, pass-through connectors, and glow plugs on the 2000-2003 Ford Excursion to restore cold-crank starting reliability and prevent injector misfires.

The Stock Ford Excursion UVCH Harness Degradation

On the heavy-duty U137 platform, the factory Under Valve Cover Harness (UVCH) is exposed to continuous heat cycling, vibration, and hot engine oil. Over time, the OEM plastic lock tabs become brittle, backing out of their injector sockets and creating open circuits. More critically, high electrical resistance builds along the factory pass-through pins handling glow plug current, causing the outer connectors to melt, pin terminal burnouts, cylinder contribution codes, and failure to start in cold ambient temperatures.

The Engineering Solution

This comprehensive kit eliminates UVCH electrical bottlenecks with heat-stabilized, oil-resistant composite gaskets featuring integrated pass-through electrical connections. Upgraded female connector terminals ensure tight pin contact resistance, mitigating arcing across both fuel injector and glow plug circuits. Paired with high-temperature silicone lead wiring and heavy-duty, swell-resistant dual-coil glow plugs, this kit maintains optimal dielectric insulation and precise cold-start preheating across all eight cylinders under severe duty cycles.

What's Included

• 4 Fuel Injector Harnesses
• 4 Main Pigtails
• 2 Valve Cover Gaskets
• 8 Glow Plugs

Technical Specifications

Compatibility

• 2000-2003 Ford Excursion 7.3L Diesel

Frequently Asked Questions & Fitment Warnings

Does this fit the U137 Excursion?

Yes, this is a direct fit for the 2000-2003 Ford Excursion equipped with the 7.3L Power Stroke engine. This kit does not fit 5.4L Triton V8, 6.8L Triton V10 gasoline engines, or the later 2003.5+ 6.0L Power Stroke diesel.

Are the external wiring pigtails required during installation?

The external pigtails should be spliced in if your factory engine harness plugs exhibit heat discoloration, brittle locking tabs, or melted pin receivers.

The Ford Heavy-Duty Standard

Built to endure the heavy-hauling demands and harsh thermal environments of the turbo diesel platform, this service kit delivers sustained electrical integrity for reliable starting and maximum towing performance.