Part #: 1843

One Stop Solutions 1843 Radiator

2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 530i
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Radiator for BMW 530i

One Stop Solutions Part Number 1843 is an OSC Premium New Automotive Radiator built for OE-style form and function. It is engineered for the 1994-1995 BMW 530i and uses premium-grade aluminum construction with plastic tanks for a direct replacement fit.

Key Features

  • Fits 1994 BMW 530i, N/A, from 9/93
  • Fits 1995 BMW 530i, N/A
  • Core height: 25 3/8 in.
  • Core width: 16 7/8 in.
  • Core thickness: 1-1/4 in. (32 mm)
  • Crossflow design with one-row core
  • 1 9/16 in. inlet and outlet diameters
  • Plastic tanks with PA core material
  • No engine oil cooler, transmission oil cooler, or cap included

Detailed Description

This radiator is built to match original equipment dimensions and cooling layout for BMW 530i applications. OSC uses cadmium-plated tubes, a die-cut gasket for sealing, and pressure testing during production to help maintain leak resistance and consistent cooling performance. The design also incorporates engineering updates such as increased fin density and a thicker core to address heat load in higher-mileage vehicles. Part Number 1843 is a direct-fit radiator choice for BMW 530i owners replacing a worn or leaking cooling unit.

This part cross-references 17111702453 and CU1842 for the same application.

Common Problems This Part Can Address

  • Coolant leaks from a cracked or aging radiator tank
  • Overheating caused by restricted coolant flow or reduced heat transfer
  • Cooling system loss from worn seals or gasket failure
  • Fitment issues from a damaged or previously repaired radiator
  • Reduced cooling efficiency in a high-mileage BMW 530i

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and crossflow layout before installation. Inspect hoses, clamps, and surrounding cooling system components for wear before transferring the new radiator into place. Because this unit is engineered for OE-style fitment, installation is straightforward on the listed BMW 530i applications when the vehicle configuration matches the catalog data.

Quality Assurance

OSC radiators are individually pressure tested during production, with testing performed before and after core assembly. The construction uses premium materials and factory-style component fitment to support consistent cooling performance on the listed BMW 530i applications.

BrandOne Stop Solutions
Part Number1843
Core Height25 3/8
Core Thickness1-1/4
Core Thickness32
Core Width16 7/8
Inlet Header Length18 3/16
Outlet Header Length18 3/16
Core MaterialPa
Tank MaterialPlastic
Transmission Oil Cooler IncludedNo
Inlet Header Width2 1/2
Outlet Header Width2 1/2
Transmission Oil Cooler TypeNone
Engine Oil Cooler TypeNone
Core Row Quantity1
Inlet Diameter1 9/16
Outlet Diameter1 9/16
Engine Oil Cooler IncludedNo
Down Flow Or Cross Flow TypeCrossflow
Cap IncludedNo
BulletPoint 1Hassle free installation
BulletPoint 2O.e. performance and exceptional quality
BulletPoint 3Engineering enhancements provide improved cooling and longer life
BulletPoint 4Components are fitted and torqued in place to factory specificati
BulletPoint 5Premium grade tubes, fins, headers, tanks, and other components a
BulletPoint 6Drop in fit, form and function. all necessary fittings or hardwar
BulletPoint 7Complete radiators 100% tested up to three times during productio
BulletPoint 8Enhancements added to solve original design failures and to impro

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995BMW530i3.0LV8N/A
1994BMW530i3.0LV8N/AFrom 9/93

* 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:

17111702453519588CU1842

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