5-280X Universal Joint, Spicer 1710 Series, 49.2x154.8mm BP
Brand:KIMI KOTO
Aftermarket 5-280X universal joint, Spicer 1710 series, bearing-plate BP style, greasable, 49.2x154.8mm. For heavy truck & bus. Wholesale.
Looking for a replacement 5-280X universal joint for a heavy commercial truck or bus propshaft? This is a Spicer 1710 series (10 Series) full bearing-plate cross kit, the standard arrangement on North American Class 8 truck and motorcoach drivelines. Ships as a complete kit with four flanged bearing caps, needle rollers, seals and mounting hardware — ready to bolt in.
Part number: 5-280X (cross-ref. M280X)
Series: Spicer 1710 / 10 Series
Style: Bearing plate (BP / full round flange), greasable
✅Specifications

⚠️ Fitment check before you order: Spicer 1710-series crosses look similar to other series but the bearing cap diameter (49.2 mm) and plate span (154.8 mm) must match. Please confirm your old part number is 5-280X, or measure: cap OD ≈ 49.2 mm, bolted plate span ≈ 154.8 mm. Send us a photo of the old cross if unsure — our engineer confirms free of charge before dispatch.
✅Compatible Applications
Cross-referenced to Spicer 1710 / 10 Series drivelines used on:
Class 8 heavy-duty commercial trucks (North American highway tractors)
Motorcoaches / intercity buses
Heavy vocational chassis (dump, mixer, refuse trucks)
Various off-highway / industrial equipment using 1710-series drive shafts
This is one of the most widely stocked heavy-truck U-joints in the North American aftermarket. If your truck measures 49.2×154.8 mm with bolt-on flange caps, this cross will fit.
✅Why Buy From Us
Right-size guaranteed: Cap OD and plate span ground to the 1710 drawing — bolt holes line up with standard flanged yokes.
Bearing-plate design matches original: Bolt-on flanged caps, same as the factory 1710 arrangement — no circlips to deal with.
Greasable journals: Zerk fittings allow re-lubrication at every service interval, unlike sealed disposable crosses.
Hardened needle bearings: Journals induction-hardened and precision-ground for high-torque Class 8 duty.
Driveline specialist: We supply U-joints, yokes and complete drive shafts for heavy trucks, buses and construction equipment — one source for your propshaft range.
✅Quality & Support
Sample order welcome — test on one vehicle before fleet-wide purchase.
Volume pricing for wholesalers, repair chains and fleets.
Engineer reply within 24h for fitment and dimension questions.
Shipment photos and packing list sent before dispatch.
✅Inquiry Now
Send us: (1) your old part number or measured dimensions (cap OD + plate span), (2) quantity, (3) destination port. Quotation within one working day.
This is an aftermarket replacement part, not an original Spicer/Dana part. Spicer and series names are used for fitment reference only. All trademarks belong to their respective owners.

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