
Red Line · New
Red Line V-Twin Transmission Oil - Quart
MPN 42804 · Store SKU red42804
Supplier stock checked 11/8/2026, 9:34:33 AM 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
1 qt., for Case Order 12 Manufacturer-listed features: • This product dampens transmission noise (reducing the notorious shifting clunk found in these gearboxes), dramatically reduces temperature, provides thicker oil films between gear teeth and resists throw-off • For all H-D® trans including with Milwaukee-Eight engines, Evolution engines, Twin Cam engines and latest 6-speed Cruise Drive • For all aftermarket versions like Baker, JIMS, S&S, etc. • Same fluid as our unique Heavy ShockProof® Gear Oil
Manufacturer fitment & guides
Check 42804 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Ground shipping only.