ARB
ARB Air Locker Differential Spreader 0770003
ARB Air Locker Differential Spreader 0770003
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ARBs Air Locker(TM) Differential Spreader is a professional automotive tool that no differential installer should be without. Most common Salisbury style axle assemblies (e.g., Dana Spicer model 44) require the use of a differential spreader in order to achieve the required carrier bearing pre-load during set-up. Stretching the housing casting (or pumpkin) open by sufficient enough force as to allow extra shim to be added to create the pre-load is the method that the OEM manufactures endorse, and most manufacture's have included special spreader sockets in the housing for exactly this purpose. Insufficient pre-load can result in bearing failure, or ring and pinion failure on any differential, and possible oil/air leakage issues in an Air Locker(TM) Differential. As a part of ARBs Air Locker(TM) Tools range of differential service/installation equipment, this specialty tool offers an easy, quick and highly effective way of pre-loading these axles.
Manufacturer Part Number: 0770003
Image is for reference only; actual product may vary by application.
⚠ WARNING (CA Prop 65): This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
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Manufacturer's Warranty — ARB
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Manufacturer's Warranty — ARB
ARB warranty by product: Air Locker — 5 years; Fridge Freezers — 3 years; Old Man Emu suspension — 3 years / 37,000 mi; most other products — 2 years; wear items (bushes, bearings, shackles, U-bolts, batteries) — 1 year / 25,000 mi. Excludes competition use and used/open-box items.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by ARB. Contact us if you need help with a warranty claim.

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