Baldwin B7503 Engine Oil Filter
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Baldwin

Baldwin B7503 Engine Oil Filter

Brand Baldwin B7503
Contains 60 psid by-pass valve
Fits "international maxxforce dt, maxxforce 9, maxxforce 10 engines, d
Height 11 13/32
Height (mm) 289.7
Integral Gasket [1] included
Outside Diameter 1 4 9/16
Outside Diameter 1 (mm) 115.9
Per Inch 12
Replaces "international harvester 1884508-c1, 1884508-c2, 1889124-c91"
Thread 1 3/4
Fits —

By-pass valve included. Helps maintain oil flow under pressure changes.

Integral gasket included. Provides a secure seal for dependable filtration.

Spin-on oil filter. Simple, service-friendly replacement for engine lubrication.

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Baldwin B7503 Engine Oil Filter

The Baldwin B7503 is an engine oil filter built for heavy-duty diesel applications that require a large-capacity spin-on design and a 60 PSID by-pass valve. It is commonly used on International MaxxForce DT, MaxxForce 9, and MaxxForce 10 engines, as well as DuraStar and WorkStar trucks and Spartan ERV Series fire truck chassis.

Key Features

  • Part number: B7503
  • Engine oil filter for heavy-duty diesel service
  • 60 PSID by-pass valve
  • Integral gasket included
  • Thread size: 1 3/4
  • Outside diameter: 4 9/16 in. (115.9 mm)
  • Height: 11 13/32 in. (289.7 mm)
  • 12 threads per inch
  • Replaces International Harvester 1884508-C1, 1884508-C2, and 1889124-C91

Application Details

Compatible with International MaxxForce DT, MaxxForce 9, and MaxxForce 10 engines used in DuraStar and WorkStar trucks, plus Spartan ERV Series fire truck chassis. The Baldwin B7503 is sized for applications that use the listed thread, diameter, and height specifications, making it a direct-match service part for the specified engine oil filter housing.

This part cross-references International Harvester 1884508-C1 and 1884508-C2 for the same application.

What It Helps Address

  • Maintains oil filtration in heavy-duty diesel engines
  • Supports oil flow control during restricted filter conditions
  • Replaces worn or service-interval oil filters
  • Addresses fitment needs for International DuraStar and WorkStar trucks
  • Supports service on Spartan ERV Series fire truck chassis

Installation Notes

Verify thread size, gasket seating surface, outside diameter, and overall height before installation. Replace the filter at the manufacturer-recommended service interval and pre-lube the gasket with clean engine oil before tightening to specification. Confirm the housing is clean and free of old gasket material before installing Baldwin B7503.

Quality Assurance

Baldwin filters are built for demanding diesel service and are specified by the listed dimensions and bypass-valve rating. Use the part number B7503 and the OE replacement references to confirm the correct filter for your application before service.

Related reading

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes