Mishimoto Replacement Radiator, fits Chevrolet S10 / GMC S15, Sonoma 4.3L 1988-1994 | R681-AT

Mishimoto Replacement Radiator for 1988-1994 Chevrolet S10 / GMC S15 / Sonoma 4.3L

If you’re driving a 1988-1994 Chevrolet S10, GMC S15, or Sonoma with a 4.3L engine, you know how crucial a reliable radiator is for keeping your vehicle cool. The Mishimoto R681-AT Replacement Radiator is designed as a direct OEM replacement for your old, worn-out unit, ensuring a hassle-free installation without any bending, cutting, or modifications required.

This radiator features durable OEM spec plastic end tanks paired with a robust aluminum core, delivering stock-level cooling efficiency. Original radiators often fail due to leaks, clogs, or cracks from years of wear and tear. With the Mishimoto replacement, you can maintain optimal cooling performance and protect your engine from overheating.

Plus, like all Mishimoto products, this radiator comes with a Lifetime Warranty, giving you peace of mind with your purchase.

Key Features

< li >Direct fit for 1988-1994 Chevrolet S10 / GMC S15 / Sonoma 4.3L

< li >Compatible with all stock engine bay equipment

< li >Ideal replacement for aged, clogged, or leaking radiators

< li >Mishimoto Lifetime Warranty included

< li >Core Length: 26.25 inches

< li >Core Height: 15 inches

< li >Inlet Size: 1.3125 inches

< li >Outlet Size: 1.5625 inches

< li >Core Thickness: 1.325 inches

< li >Applications: Fits various models including S10 4.3L, S15 4.3L, and more

< li >Install Difficulty: Moderate (3/5)

Customer Feedback

Many users have reported that the Mishimoto R681-AT radiator fits perfectly into their S10 or Sonoma, providing a significant improvement in cooling performance. Customers appreciate the straightforward installation process and the reliability it brings to their vehicles.

Fitment

This radiator is specifically designed for:

< li >1988-1994 Chevrolet S10 4.3L

< li >1988-1994 GMC S15 4.3L

< li >1988-1990 GMC S15 Jimmy 4.3L

< li >1991-1994 GMC Sonoma 4.3L

< li >1994 GMC Jimmy 4.3L

< li >1988-1994 Chevrolet S10 Blazer 4.3L

< li >1991-1994 Oldsmobile Bravada 4.3L