Aspaton Upper Radiator Hose for GM Silverado Tahoe Yukon 2000–2007 — Fits V8, 5/8in

Aspaton 15792821 is a direct-fit replacement upper radiator hose designed to restore cooling circulation on compatible GM trucks and SUVs from 2000–2007.

This replacement radiator hose from Aspaton is made to match the original routing and connection points on a long list of Chevrolet, GMC and similar GM platforms. It replaces OE part number 15792821 (and cross-references 22554, 88412, 626-553) and fits specific V8 models across Silverado, Sierra, Tahoe, Yukon, Suburban, Avalanche, Escalade and H2 model years listed. Before ordering, verify the hose's 5/8" fitting size and the exact engine/submodel to ensure a correct fit.

Which vehicles and engines will this Aspaton hose fit?

This hose is specified for many GM full-size trucks and SUVs built in the early-to-mid 2000s with V8 engines. The listing covers both light-duty and heavy-duty variants where the same upper radiator hose design applies.

• Silverado 1500 (2001–2007) 4.8L/5.3L/6.0L V8
• Silverado 2500 (2000–2007) 5.3L/6.0L V8 and Sierra 1500/2500 series similar years
• Tahoe, Yukon, Yukon XL, Suburban, Avalanche, Escalade and H2 model years and engines listed

How does this hose compare to the original equipment part?

Aspaton supplies a replacement molded radiator hose built to match OE shape and attachment points so it routes correctly and seals to the thermostat housing and radiator neck. It is intended to offer the same form and function as the original, easing installation without modifications.

• OE-style molded bends and mounting locations for straightforward installation
• Cross-references original part numbers for compatibility assurance
• Designed for coolant service in gasoline V8 cooling systems

What should I check before buying to ensure proper fit?

Confirming a few vehicle and hose details prevents returns and fitment issues. Look up your vehicle year, engine displacement, and whether your truck is 1500 versus 2500/3500, then compare the hose fitting size called out by Aspaton.

• Verify model year and engine size match the compatible list in the product details
• Measure the radiator neck or heater hose fitting to confirm the 5/8" connection size
• Compare photos or old hose routing to ensure identical bends and mounting bosses

What does installation involve and what parts might I need alongside the hose?

Installation is typically a simple swap when replacing the upper radiator hose: drain enough coolant to lower the level, remove clamps, and transfer any brackets or sensors before refilling. Consider replacing the hose clamps and inspecting related cooling components while you have the system open.

• Recommended: new hose clamps to ensure secure, leak-free connections
• Inspect thermostat housing, radiator neck, and adjacent hoses for wear
• Top off and properly bleed the cooling system after installation

Who is this for: The Aspaton 15792821 radiator hose is intended for DIY mechanics, independent shops, and fleet maintenance teams that need an affordable, OE-style replacement for early-2000s GM full-size trucks and SUVs. Choose this hose if your vehicle matches the listed model years and engine types, you want a direct-fit molded replacement, and you're prepared to verify the 5/8" fitting size before purchase.