Description
Challenger Lift B40144 M6 Hex Jam Nut for 4P12
Replace missing, bent, worn, stripped, corroded, or damaged hardware with the B40144 M6 Hex Jam Nut. Confirm size, grade, thread, dimensions, and assembly location. Listed applications include 4P12.
Product Details
- Brand / Equipment: Challenger Lift
- Manufacturer / Reference Part Number: B40144
- Store SKU: CHRB40144
- Component: M6 Hex Jam Nut
Compatible / Referenced Equipment Models
- 4P12: 12,000 lb four-post lift
Verified Part-Number Fitment
The exact part number B40144 appears in verified Challenger parts documentation for the applications below:
- 4P14EFX / 4P14XFX — Item #11, page 16: M6 HEX JAM NUT
Compatible Makes & Models
Compatible makes / equipment brands:
- Challenger
Verified fitment models include:
- 4P12
- 4P14EFX
- 4P14XFX
Fitment can vary by production date, serial range, lift configuration, and equipment revision. Match the manufacturer/reference part number and your specific model before ordering.
Fitment & Ordering Notes
Challenger Lift components can vary by model, serial-number range, production date, lift height, side or orientation, color, power-unit configuration, and equipment revision. Before ordering, compare the manufacturer part number, specifications, diagram callout, model information, and original component. A similar appearance alone does not confirm interchangeability.

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