Fel-Pro Engine Coolant Crossover Pipe Mounting Set ES 73027 — Complete OE-Fit Seal & Hardware Kit

Fel-Pro ES 73027 is a complete engine coolant crossover pipe mounting set designed to replace factory seals and mounting components for compatible GM and Isuzu SUVs and sedans.

This mounting set provides application-specific sealing components engineered to restore the coolant crossover pipe’s connection points to original-equipment fit, form, and function. Fel-Pro manufactures gaskets and mounts with materials and processes selected for durability and consistent sealing performance, giving installers a dependable replacement part for vehicles with the specified model years.

What components are included and what do they do?

The ES 73027 kit contains the mounting hardware and sealing elements required where the coolant crossover pipe meets the engine and associated coolant passages. Each piece is engineered to match the factory mating surfaces and withstand coolant exposure and heat cycles.

• Replacement gaskets sized for crossover pipe ports to prevent leaks
• Mounting seals that maintain clamp and bolt preload under vibration
• Components validated for fit, form, and function to match OE geometry

Which vehicles will this Fel-Pro mounting set fit?

This set fits a range of GM and Isuzu vehicles from early-2000s through late-2000s that use the corresponding crossover pipe design. Always confirm fit by entering full vehicle details before purchase to avoid compatibility issues.

• 2003–2006 Isuzu Ascender
• 2004–2007 Buick Rainier; 2008–2009 Buick LaCrosse and Allure
• 2003–2014 Cadillac Escalade ESV and EXT model year ranges noted

How does this set compare to original equipment parts?

Fel-Pro designs these gaskets and mounts to meet or exceed original equipment specifications using controlled manufacturing methods. The goal is to restore factory sealing performance and provide longevity comparable to OE parts.

• Meets or exceeds OE specifications for dimensions and materials
• Manufactured with application-specific materials for durability
• Validated for correct fit and sealing under normal operating conditions

How should I confirm fit and install this kit?

Before buying, verify vehicle compatibility by entering year, make, model, engine, and trim in the seller’s fitment tool or parts finder. Installation is typically handled by a technician familiar with coolant system disassembly; follow torque and sealing procedures recommended by the vehicle manufacturer.

• Use the seller’s confirmed-fit tool and review any fit notes
• Replace worn clamps and inspect adjacent hoses and pipe ends during installation
• Follow vehicle torque specs and coolant system bleeding procedures

Who is this for: The Fel-Pro ES 73027 mounting set is intended for professional mechanics and experienced DIYers repairing coolant crossover pipe leaks or replacing seals on the listed Buick, Cadillac, and Isuzu vehicles. It suits anyone seeking a direct-replacement kit engineered to the same functional standards as original equipment components and validated for proper fit and sealing performance.