TADYAO Fuel Pressure Regulator Vacuum Purge Harness for Buick 24506640 — Direct-Fit, Heat‑Resistant

The TADYAO 24506640 fuel pressure regulator vacuum purge harness is a direct-fit replacement harness engineered to restore proper vacuum routing and purge function on compatible Buick and GM vehicles.

If your vehicle’s evaporative emission or vacuum lines have failed due to heat, age, or cracking, the harness can return the original routing and connection points without modifying factory components. This replacement is manufactured from corrosion-resistant materials and tested before shipment to meet the fit and function expected of OE-style parts. It replaces part number 24506640 and supports several late‑1990s and early‑2000s Buick, Pontiac, and Oldsmobile models.

Which vehicles does this harness fit?

This harness was designed to match factory fitment for specific GM models and model years, making installation straightforward when the vehicle matches the listed applications. Always cross-check the original part number and vehicle VIN to confirm compatibility.

• Buick Century 1998
• Buick Regal 1998
• Buick Park Avenue 1998–2005
• Buick LeSabre 2000–2005
• Pontiac Grand Prix 1998
• Pontiac Bonneville 2000–2005
• Oldsmobile Intrigue 1998–1999

How does this replacement match the original part?

The harness is built to mirror the original harness’s connectors, vacuum routing, and mounting points so it installs in the same locations without cutting or splicing. Materials are chosen for improved heat and wear resistance compared with aged factory harness materials.

• Direct replacement for part number 24506640
• OE-style connectors and vacuum fittings
• Durable, corrosion-resistant construction

What should I expect during installation?

Installation is typically a plug-and-play swap where you remove the old, damaged harness and route the new harness along the same path, securing it to the factory clips and brackets. Basic hand tools are usually sufficient; no special programming or calibration is required.

• Remove the old harness and clean attachment points
• Align new harness with factory clips and vacuum ports
• Confirm tight, leak-free connections before reassembly

How durable and reliable is the TADYAO harness?

TADYAO uses wear-resistant materials designed to withstand under‑hood temperatures and exposure to automotive fluids, which helps extend service life over brittle, cracked original harnesses. Each unit is professionally tested before shipping to ensure correct continuity and fitment.

• Heat-resistant construction for underhood longevity
• Corrosion-resistant connectors reduce failure risk
• Factory testing for quality assurance

Who is this for: This harness is intended for automotive DIYers and professional technicians restoring evaporative emission and vacuum systems on compatible late‑1990s to mid‑2000s GM vehicles. Choose this TADYAO replacement if you need a reliable, OE-style harness to replace heat‑damaged or cracked vacuum lines and want straightforward installation with verified fitment information.