Bilstein · New
Bilstein B1 Replacement Zerk Fitting & Line Clamp
MPN B4-KT1-Z439A00 · Store SKU bilB4-KT1-Z439A00
Supplier stock checked 11/7/2026, 3:10:15 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Bilstein B1 (Components) Replacement Grease Fitting Kits are direct replacements for grease fittings originally installed in Bilstein B8 Control Arms. These Replacement Grease Fitting Kits include all necessary hardware and will help you get back on the road or trail quickly. Bilstein Replacement Grease Fitting Kit
Manufacturer fitment & guides
Check B4-KT1-Z439A00 against the manufacturer’s application information below.
Part-specific notes
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