One Stop Solutions 1688 Radiator

Brand One Stop Solutions 1688
Cap Included NO
Core Height 28 1/4
Core Material PA
Core Row Quantity 1
Core Thickness 1
Core Thickness 26
Core Width 17 1/4
Down Flow Or Cross Flow Type CROSSFLOW
Engine Oil Cooler Included YES
Engine Oil Cooler Type PLATED
Inlet Diameter 1 5/16
Inlet Header Length 18 3/4
Inlet Header Width 2 7/16
Oil Cooler Fittings Distance Apart 11 1/2
Outlet Diameter 1 9/16
Outlet Header Length 18 3/4
Outlet Header Width 2 7/16
Tank Material PLASTIC
Transmission Oil Cooler Distance between Fittings 11 1/2
Transmission Oil Cooler Included YES
Transmission Oil Cooler Type PLATED
Fits Chevrolet and GMC · 2 vehicles

O.E. form and function. Engineered as a direct-fit radiator with a hassle-free install.

Premium aluminum construction. Cadmium-plated tubes help resist premature failure.

Pressure tested. Each unit is tested for leaks before it leaves production.

Cross-references Dorman - HELP 20754, Dorman - HELP 56637 and Spectra Premium CU1688 for the same application. See all 4.

$156.98Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $156.98
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Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator for 1995 Astro and Safari

One Stop Solutions Part Number 1688 is an OSC Premium new automotive radiator built to OE-style form and function for the 1995 Chevrolet Astro and 1995 GMC Safari. It uses premium-grade aluminum construction with plastic tanks, integrated engine and transmission oil cooling, and a crossflow design for direct replacement service.

Key Features

  • Fits 1995 Chevrolet Astro and 1995 GMC Safari
  • Crossflow radiator design with 1-row core construction
  • Core dimensions: 28 1/4 in. height, 17 1/4 in. width, 1 in. thickness
  • Inlet diameter: 1 5/16 in.; outlet diameter: 1 9/16 in.
  • Engine oil cooler included with plated cooler type
  • Transmission oil cooler included with plated cooler type
  • Cadmium-plated tubes help resist premature failure
  • Die-cut gasket design supports leak resistance
  • Individually pressure tested during production
  • Part number 1688 is engineered for multi-fit applications without changing the intended look and fit

Detailed Description

This OSC Premium radiator is engineered to match original equipment form and function while adding durability-focused updates for high-mileage cooling systems. The radiator uses premium aluminum components, plastic tanks, and plated internal cooler sections, with factory-style fitment for the 1995 Chevrolet Astro and 1995 GMC Safari. Part number 1688 also includes both engine and transmission oil cooling, making it a direct replacement choice for vehicles that rely on integrated cooling performance.

OSC builds this radiator with fitted and torqued components to factory specifications, then pressure tests the unit during production to verify sealing and cooler integrity. The design also incorporates enhancements such as increased fin density and a thicker core to address common heat-related wear in older vehicles. This makes Part Number 1688 a practical option for drivers searching for a 1995 Chevrolet Astro radiator or 1995 GMC Safari radiator replacement with OE-style dimensions and cooling layout.

This part cross-references Spectra Premium CU1688 for the same application.

What This Radiator Helps Address

  • Overheating caused by a worn or restricted radiator core
  • Coolant leaks from aging tanks, seams, or gasket surfaces
  • Reduced cooling efficiency in high-mileage Astro and Safari vans
  • Transmission fluid temperature concerns tied to radiator cooler wear
  • Engine oil cooler performance loss from internal cooler deterioration

Installation Notes and Tips

Verify core dimensions, inlet and outlet sizes, and cooler line routing before installation. This radiator is a crossflow design and includes both engine and transmission oil cooler provisions, so matching the original cooling configuration is important for proper installation. Inspect hoses, clamps, and cooler lines for wear before transferring the new unit into service.

For best results, flush the cooling system and check for contamination before installing Part Number 1688. Confirm that the radiator mounts, fittings, and hose connections align with the vehicle’s original layout on the 1995 Chevrolet Astro or 1995 GMC Safari.

Quality Assurance

OSC tests the transmission and engine oil coolers before installation, checks the radiator core prior to assembly, and tests the completed unit again after assembly. This multi-stage process supports consistent sealing and cooling performance for Part Number 1688.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1995ChevroletAstro4.3LV6N/A—
1995GMCSafari4.3LV6N/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 20754Dorman - HELP — 56637Spectra Premium — CU16888011688