Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Hellwig / New

Hellwig 03-18 Ford E-450 SD Load Pro- To 3500lb Constant Rate Level LC Helper Spring w/11 Leaf Stack

Hellwig · New

Hellwig 03-18 Ford E-450 SD Load Pro- To 3500lb Constant Rate Level LC Helper Spring w/11 Leaf Stack

MPN 9645 · Store SKU hwg9645

$1,418.65
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 1:45:46 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

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

The Hellwig LP-35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out. LP-35 Heavy Duty Load Leveler Helper Springs for 1997-2022 Ford E40; E450 with 11 leaf stack. LP-35 Heavy Duty Load Leveler Helper Springs for 1997-2022 Ford E40, E450 with 11 leaf stack. LP-35 Heavy Duty Load Leveler Helper Springs for 1997-2026 Ford E40, E450 with 11 leaf stack. SPECIAL DESIGN HELPER SPRING KIT

Manufacturer fitment & guides

Check 9645 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

More from Hellwig ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.