One Stop Solutions 850 Radiator

Name: One Stop Solutions 850 Radiator
Brand: One Stop Solutions
SKU: FKFN-850
Price: 416.33 USD
Availability: InStock

209 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Chevrolet and GMC, Blazer, C10, C10 Suburban, C1500, C1500 Suburban, C20, C20 Suburban, C2500, C2500 Suburban, C30, C3500, Jimmy, K10, K10 Suburban, K1500, K1500 Suburban, K20, K20 Suburban, K2500, K2500 Suburban, K30, K3500, K5 Blazer, P20, P2500, P30, P3500, R10, R10 Suburban, R1500, R1500 Suburban, R20, R20 Suburban, R2500, R2500 Suburban, R30, R3500, V10, V10 Suburban, V1500, V1500 Suburban, V20, V20 Suburban, V2500, V2500 Suburban, V30, and V3500

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Not what you need? See all Radiator options

OSC Premium Radiator for GM Trucks and SUVs

One Stop Solutions Part Number 850 is an OSC Premium New Automotive Radiator built for direct replacement service in a wide range of Chevrolet and GMC applications. It is engineered for OES form and function, with premium-grade aluminum construction and a drop-in fit for vehicles such as the Chevrolet C10, K5 Blazer, GMC Jimmy, and GMC P3500.

Key Features

Premium aluminum core construction with a 2-3/16 in. core thickness
Cadmium-plated tubes inside and out to help reduce premature failure
Die-cut gasket design for leak resistance
Factory-spec fitted and torqued components
Multi-fit engineering for proper appearance and fit
No transmission oil cooler and no engine oil cooler
No radiator cap included
Part Number 850 is individually pressure tested during production

Detailed Description

This OSC radiator is built for owners replacing a worn or leaking cooling unit in classic GM trucks and SUVs. It uses premium tubes, fins, headers, and tanks, with engineering updates aimed at improving cooling performance and service life in higher-mileage vehicles. Part Number 850 is designed for direct replacement use in applications including 1982-1986 Chevrolet C10, 1982-1986 GMC K1500, 1987-1991 Chevrolet Blazer, and 1985-1993 GMC P3500.

This part cross-references Spectra Premium CU850 for the same application.

What It Helps Solve

Coolant leaks from a damaged or aging radiator
Overheating caused by restricted or weakened radiator flow
Cooling loss from cracked tanks, worn seams, or deteriorated core materials
Poor fitment from non-OE-style replacement radiators
Reduced cooling efficiency in high-mileage Chevrolet and GMC trucks and SUVs

Installation Notes and Tips

Verify radiator dimensions, cooler configuration, and mounting points before installation. This unit is configured without transmission or engine oil coolers and does not include a cap. For best results, flush the cooling system, inspect hoses and mounts, and confirm all factory fittings align before final assembly. Fits 1982-1986 Chevrolet C10, N/A; Fits 1982-1986 Chevrolet K5 Blazer, N/A; Fits 1982-1986 GMC K1500, N/A; Fits 1987-1991 Chevrolet Blazer, N/A; Fits 1985-1993 GMC P3500, N/A.

Quality Assurance

OSC tests the radiator core before assembly and retests the completed unit during production. The transmission and engine oil cooler circuits are also tested before installation into the tank when equipped. Each radiator is pressure tested to help confirm sealing and build consistency.

Brand	One Stop Solutions
Part Number	850
Core Thickness	2-3/16
Core Thickness	56
Core Material	Aa
Transmission Oil Cooler Type	None
Engine Oil Cooler Type	None
Cap Included	No
BulletPoint 1	Hassle free installation
BulletPoint 2	O.e. performance and exceptional quality
BulletPoint 3	Engineering enhancements provide improved cooling and longer life
BulletPoint 4	Components are fitted and torqued in place to factory specificati
BulletPoint 5	Premium grade tubes, fins, headers, tanks, and other components a
BulletPoint 6	Drop in fit, form and function. all necessary fittings or hardwar
BulletPoint 7	Complete radiators 100% tested up to three times during productio
BulletPoint 8	Enhancements added to solve original design failures and to impro

This part fits 209 vehicles. Search below:

Year	Make	Model	Transmission	Liters	Cylinders	Fuel Type	Position
1993	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1992	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	Blazer	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	R3500	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	Chevrolet	V3500	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	R3500	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1991	GMC	V3500	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	Blazer	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	R3500	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	Chevrolet	V3500	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	R3500	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1990	GMC	V3500	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	Blazer	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	R2500	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	R3500	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	Chevrolet	V3500	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	P2500	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	P3500	Automatic	3.9L	L4	DIESEL	N/A
1989	GMC	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	R2500	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	R3500	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1989	GMC	V3500	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	Blazer	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	R10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	R20	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	R20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	R30	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	V10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	V20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	Chevrolet	V30	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	P2500	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	R2500	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	R3500	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1988	GMC	V3500	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	Blazer	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	R10	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	R10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	R20	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	R20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	R30	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	V10	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	V10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	V20	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	V20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	Chevrolet	V30	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	P2500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	R1500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	R1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	R2500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	R2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	R3500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	V1500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	V1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	V2500	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	V2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1987	GMC	V3500	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	C10	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	C10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	C20	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	C20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	C30	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	K10	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	K10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	K20	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	K20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	K30	Automatic	6.2L	V8	DIESEL	N/A
1986	Chevrolet	K5 Blazer	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	C1500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	C1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	C2500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	C2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	C3500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	K1500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	K1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	K2500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	K2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	K3500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	P2500	Automatic	6.2L	V8	DIESEL	N/A
1986	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	C10	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	C10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	C20	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	C20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	C30	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	K10	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	K10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	K20	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	K20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	K30	Automatic	6.2L	V8	DIESEL	N/A
1985	Chevrolet	K5 Blazer	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	C1500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	C1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	C2500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	C2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	C3500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	K1500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	K1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	K2500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	K2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	K3500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	P2500	Automatic	6.2L	V8	DIESEL	N/A
1985	GMC	P3500	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	C10	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	C10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	C20	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	C20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	C30	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	K10	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	K10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	K20	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	K20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	K30	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	K5 Blazer	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	P20	Automatic	6.2L	V8	DIESEL	N/A
1984	Chevrolet	P30	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	C1500	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	C1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	C2500	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	C2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	C3500	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	K1500	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	K1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	K2500	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	K2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1984	GMC	K3500	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	C10	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	C10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	C20	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	C20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	C30	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	K10	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	K10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	K20	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	K20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	K30	Automatic	6.2L	V8	DIESEL	N/A
1983	Chevrolet	K5 Blazer	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	C1500	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	C1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	C2500	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	C2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	C3500	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	K1500	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	K1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	K2500	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	K2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1983	GMC	K3500	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	C10	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	C10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	C20	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	C20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	C30	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	K10	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	K10 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	K20	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	K20 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	K30	Automatic	6.2L	V8	DIESEL	N/A
1982	Chevrolet	K5 Blazer	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	C1500	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	C1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	C2500	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	C2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	C3500	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	Jimmy	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	K1500	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	K1500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	K2500	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	K2500 Suburban	Automatic	6.2L	V8	DIESEL	N/A
1982	GMC	K3500	Automatic	6.2L	V8	DIESEL	N/A

* 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:

30504704320988010607CU850

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