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Automann · Suspension & Steering
M5449
In stock · ships from Knoxville
This is a threaded front spring pin that secures the leaf spring eye to the frame hanger on heavy-duty Kenworth and Peterbilt trucks.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Peterbilt
Peterbilt
Requires MTB186 or MTB178 threaded bushing.
Part data verified against 2 catalog sources
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The pin threads into a matching bushing and bracket, allowing the spring to pivot as the suspension moves. It is replaced when the pin or bushing wears, causing looseness, clunking noises, or uneven tire wear, and is typically changed during a front-end suspension rebuild.
Part Number: M5449
SPRING PIN KENWORTH
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside suspension & steering
