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Spicer · Drivetrain
6.5-53-91
In stock · ships from Knoxville
This is a Spicer 1810 series weld-in splined midship tube shaft (also identified as Corse SPL 661).
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Universal fit
Used in heavy‑duty truck driveline applications requiring 1810 series slip components and 4.500‑inch .134‑wall tubing. Fits multiple OEM makes where these specs are called out; not vehicle‑specific.
Part data verified against 5 catalog sources
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It provides a strong, replaceable splined connection at the slip joint of a heavy‑truck driveshaft, mating with a 2.350‑inch 16‑spline slip yoke or companion flange. The stub is welded into 4.500‑inch diameter tubing, typically with a .134‑inch wall, and is replaced during driveline overhauls or when building a custom driveline for class 6–8 trucks.
Part Number: 6.5-53-91
CORSE SPL 661 MIDSHIP TUBE
Category: Driveline
Unit: ea
Dealer: Post Onsite
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