Part #: 1531

One Stop Solutions 1531 Radiator

10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$129.76Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, and Isuzu, S10, Sonoma, and Hombre
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Replacement for Chevrolet, GMC, and Isuzu Trucks

The One Stop Solutions radiator part number 1531 is engineered to provide dependable cooling performance for Chevrolet S10, GMC Sonoma, and Isuzu Hombre models. Designed with precision, this radiator ensures efficient heat dissipation and supports engine oil cooling for optimal vehicle operation.

  • Hassle free installation with drop-in fit, form, and function
  • OE performance and quality with engineering enhancements for improved cooling
  • Premium grade core, headers, tanks, and components for durability
  • Crossflow design with a single core row for effective heat exchange
  • Includes engine oil cooler with concentric type and 1 1/4 inch diameter

Technical Specifications and Features

This radiator features a core height of 23 5/8 inches, core width of 14 7/8 inches, and a core thickness of 5/8 inch, constructed from PA core material and plastic tanks. The inlet and outlet header lengths are both 16 5/8 inches with widths of 2 7/16 inches, supporting inlet and outlet diameters of 1 5/16 inches. The crossflow design enhances cooling efficiency by directing airflow horizontally across the core. The included engine oil cooler is concentric with fittings spaced 11 1/2 inches apart, aiding in maintaining optimal engine oil temperature. This radiator does not include a transmission oil cooler.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

  • Chevrolet S10
  • GMC Sonoma
  • Isuzu Hombre

It is designed to replace original equipment radiators in these models, ensuring proper fit and function.

Common Issues Addressed by This Radiator

  • Overheating due to inefficient or damaged radiator cores
  • Coolant leaks from cracked or worn plastic tanks
  • Reduced engine oil cooling performance affecting engine longevity
  • Corrosion or clogging in original radiator tubes and fins
  • Failure of original design components leading to premature radiator wear

Installation Notes and Tips

Installation of the One Stop Solutions radiator 1531 is straightforward with a drop-in design that matches factory specifications. All necessary fittings and hardware are included or compatible for a seamless replacement. It is recommended to inspect hoses and clamps during installation and replace if necessary to prevent leaks. Ensure proper torque settings are applied to all mounting points as per factory guidelines.

Quality Assurance and Warranty

Each radiator undergoes up to three rounds of testing during production to verify performance and durability. Components are fitted and torqued to factory specifications to maintain reliability. The radiator incorporates engineering enhancements to address original design failures and extend service life. Warranty details should be confirmed with the distributor or manufacturer.

BrandOne Stop Solutions
Part Number1531
Cap IncludedNO
Core Height23 5/8
Core MaterialPA
Core Row Quantity1
Core Thickness16
Core Thickness5/8
Core Width14 7/8
Down Flow Or Cross Flow TypeCROSSFLOW
Engine Oil Cooler Diameter1 1/4
Engine Oil Cooler IncludedYES
Engine Oil Cooler TypeCONCENTRIC
Inlet Diameter1 5/16
Inlet Header Length16 5/8
Inlet Header Width2 7/16
Oil Cooler Fittings Distance Apart11 1/2
Outlet Diameter1 5/16
Outlet Header Length16 5/8
Outlet Header Width2 7/16
Tank MaterialPLASTIC
Transmission Oil Cooler IncludedNO
Transmission Oil Cooler TypeNONE

This part fits 10 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
1998ChevroletS10Automatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1998GMCSonomaAutomatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1997ChevroletS10Automatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1997GMCSonomaAutomatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1997IsuzuHombreAutomatic2.2LL4N/ATo 2/97; w/EOC; 1-1/4" CORE; ENHANCED UNIT; TO 2/97
1996ChevroletS10Automatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1996GMCSonomaAutomatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1996IsuzuHombreAutomatic2.2LL4N/ARadiator with EOC, 1-1/4" core, and enhanced design
1995ChevroletS10Automatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE
1995GMCSonomaAutomatic2.2LL4N/Aw/EOC; 1-1/4" CORE; ENHANCED UNIT; 15" CORE

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

20677432388565598011531CU1531

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.