JCCGLOBAL Fuel Pressure Regulator for GM 4.8L/5.3L/6.0L (1999–2004) — Direct-Fit with Vacuum Line, OE Interchange

JCCGLOBAL's fuel pressure regulator 2173073 / 17113556 is a direct-fit replacement that restores correct fuel pressure and vacuum-controlled operation for compatible GM trucks and SUVs from 1999–2004.

This replacement regulator is built to match original equipment specifications and fit a wide range of Chevrolet, GMC, Buick, Cadillac, Hummer and Isuzu models using 4.8L, 5.3L or 6.0L engines. Designed for a straightforward swap, it comes with OE interchange compatibility and is made from durable materials intended for long service life. Whether you're repairing a vehicle with hard-starts, fuel leaks, or rough idle related to pressure control, this part gives you the correct hardware to address fuel delivery issues without expensive dealer pricing.

Which vehicles will this regulator fit?

This unit fits many GM models produced between 1999 and 2004 that use the 4.8L, 5.3L, or 6.0L V8 engines. It matches multiple OEM part numbers and aftermarket cross-references so you can confirm compatibility by comparing interchange codes.

• Chevrolet: Silverado, Tahoe, Suburban, Avalanche, Express, SSR, Trailblazer (selected years and engine sizes).
• GMC: Sierra, Yukon, Yukon XL, Envoy, Savana (selected years and engine sizes).
• Also fits: Buick Rainier, Cadillac Escalade, Hummer H2, Isuzu Ascender (specific years/engines).
• Cross-references: 12574986, 17113556, 2173073 and many common OE/interchange numbers.

How simple is installation for a DIY mechanic?

The regulator is designed as an application-specific replacement for faster installation compared with universal parts. Basic hand tools are usually sufficient and the unit mounts in the same location as the factory regulator; you only need to remove the old part and transfer fittings where required.

• Installation recommendation: verify the pictured part matches your old regulator before starting.
• Tools: common hand tools, safety glasses, and a catch pan for any residual fuel.
• Tip: consult vehicle-specific guides or short how-to videos for connector and vacuum line steps.

What build quality and testing should I expect?

JCCGLOBAL manufactures this regulator from materials chosen for durability and fuel-system compatibility, with each unit undergoing quality checks prior to shipping. The design aims to provide stable pressure regulation and reliable vacuum response comparable to OE units.

• Materials selected for corrosion and fuel resistance.
• Each part is inspected for fit and basic function before dispatch.
• After-sale support offered: replacement or refund if the item fails or doesn't match.

Which part numbers and cross-references should I check?

This regulator lists several OEM and aftermarket interchange numbers to help confirm a match with your vehicle’s original part. Double-check these codes against your existing regulator or parts catalog to avoid ordering errors.

• Included cross-references: 12574986, 12583236, 17113555, 17113556, 2173073, 2173072, and many others.
• Also shown: FP10021, FP10238, PR217, 89060418/20 for broader compatibility checks.
• Confirm the part image and codes before purchase to ensure fitment.

Who is this for: This fuel pressure regulator is intended for owners and independent mechanics working on late‑1990s to early‑2000s GM light trucks and SUVs powered by 4.8L, 5.3L, or 6.0L engines who want an affordable, OE-style replacement. It suits anyone comfortable with basic automotive repairs who needs a tested replacement part, clear interchange references, and accessible after‑sale support for fitment questions or returns.