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FAST O-Ring 4.1MM Cross Section 7

FAST · New

FAST O-Ring 4.1MM Cross Section 7

MPN 54043-302 · Store SKU fst54043-302

$6.95
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 1:59:46 PM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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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

Single replacement LSXR injector o-ring. O-Ring 4.1mm Cross Section LSXR Injector O-Ring

Manufacturer fitment & guides

Check 54043-302 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • California Proposition 65: Y

Manufacturer documents

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