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Hellwig | LP-35 Heavy Duty Load Leveling Helper Springs - F-250 / F-350 2011-2026
Hellwig – LP-35 Heavy Duty Helper Springs
Description
The Hellwig LP-35 Heavy Duty helper springs are engineered for full-time users and fleet applications in Ford F-250 and F-350 Super Duty trucks. Featuring a full-time spring rate design with up to 3,500 lbs of load capacity, these 4-leaf stack springs provide maximum towing and hauling assistance. Ride height and spring rate vary with U-bolt adjustment. ATTENTION: Mounting kit PN 25301 must be purchased separately. Do not use with factory overload contact springs (or use PN 9703). Check vehicle fitment before ordering. Compatible with Ford F-250/F-350 Super Duty (See Application Section).
Specifications
- Brand: Hellwig
- SKU: 3511
- Type: Leaf Helper Spring – heavy duty
- Series: LP-35
- Number of Leaves: 4-leaf stack
- Material: Steel – zinc plated hardware
- Color: Silver Hammertone
- Mounting Kit Required: Yes – PN 25301 (sold separately)
- Load Capacity: Up to 3,500 lbs
- Compatibility: Ford F-250/F-350 Super Duty (See Application Section)
- Installation: Bolt-on installation (mounting kit required)
- Condition: New
- Sold and shipped by: Truck Expert
Note:
- FREE Delivery
Ford
2011-2022 F-250 Super Duty V8 6.2L SEE NOTE8
2011-2022 F-250 Super Duty V8 6.2L SEE NOTE9
2011-2022 F-250 Super Duty V8 6.2L SEE NOTE10
2011-2022 F-250 Super Duty V8 6.2L SEE NOTE11
2011-2022 F-250 Super Duty V8 6.2L SEE NOTE12
2011-2022 F-250 Super Duty V8 6.2L SEE NOTE13
2011-2025 F-250 Super Duty V8 6.7L Turbo Diesel SEE NOTE8
2011-2025 F-250 Super Duty V8 6.7L Turbo Diesel SEE NOTE9
2011-2025 F-250 Super Duty V8 6.7L Turbo Diesel SEE NOTE10
2011-2025 F-250 Super Duty V8 6.7L Turbo Diesel SEE NOTE11
2011-2025 F-250 Super Duty V8 6.7L Turbo Diesel SEE NOTE12
2011-2025 F-250 Super Duty V8 6.7L Turbo Diesel SEE NOTE13
2026 F-250 Super Duty King Ranch V8 6.7L Turbo Diesel SEE NOTE14
2026 F-250 Super Duty Lariat V8 6.7L Turbo Diesel SEE NOTE15
2026 F-250 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE16
2026 F-250 Super Duty Platinum / Platinum Plus / XL / XLT V8 6.7L Turbo Diesel SEE NOTE22
2026 F-250 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE23
2026 F-250 Super Duty XL / XLT V8 6.7L Turbo Diesel SEE NOTE24
2026 F-250 Super Duty XL / XLT V8 6.7L Turbo Diesel SEE NOTE26
2026 F-250 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE27
2011-2019 F-250 Super Duty V10 6.8L SEE NOTE8
2011-2019 F-250 Super Duty V10 6.8L SEE NOTE9
2011-2019 F-250 Super Duty V10 6.8L SEE NOTE10
2011-2019 F-250 Super Duty V10 6.8L SEE NOTE11
2011-2019 F-250 Super Duty V10 6.8L SEE NOTE12
2011-2019 F-250 Super Duty V10 6.8L SEE NOTE13
2023-2025 F-250 Super Duty V8 6.8L SEE NOTE8
2023-2025 F-250 Super Duty V8 6.8L SEE NOTE9
2023-2025 F-250 Super Duty V8 6.8L SEE NOTE10
2023-2025 F-250 Super Duty V8 6.8L SEE NOTE11
2023-2025 F-250 Super Duty V8 6.8L SEE NOTE12
2023-2025 F-250 Super Duty V8 6.8L SEE NOTE13
2026 F-250 Super Duty King Ranch V8 6.8L SEE NOTE14
2026 F-250 Super Duty Lariat V8 6.8L SEE NOTE15
2026 F-250 Super Duty XL V8 6.8L SEE NOTE16
2026 F-250 Super Duty Platinum / Platinum Plus / XL / XLT V8 6.8L SEE NOTE22
2026 F-250 Super Duty XL V8 6.8L SEE NOTE23
2026 F-250 Super Duty XL / XLT V8 6.8L SEE NOTE24
2026 F-250 Super Duty XL / XLT V8 6.8L SEE NOTE26
2026 F-250 Super Duty XL V8 6.8L SEE NOTE27
2020-2025 F-250 Super Duty V8 7.3L SEE NOTE8
2020-2025 F-250 Super Duty V8 7.3L SEE NOTE9
2020-2025 F-250 Super Duty V8 7.3L SEE NOTE10
2020-2025 F-250 Super Duty V8 7.3L SEE NOTE11
2020-2025 F-250 Super Duty V8 7.3L SEE NOTE12
2020-2025 F-250 Super Duty V8 7.3L SEE NOTE13
2026 F-250 Super Duty King Ranch V8 7.3L SEE NOTE14
2026 F-250 Super Duty Lariat V8 7.3L SEE NOTE15
2026 F-250 Super Duty XL V8 7.3L SEE NOTE16
2026 F-250 Super Duty Platinum / Platinum Plus / XL / XLT V8 7.3L SEE NOTE22
2026 F-250 Super Duty XL V8 7.3L SEE NOTE23
2026 F-250 Super Duty XL / XLT V8 7.3L SEE NOTE24
2026 F-250 Super Duty XL / XLT V8 7.3L SEE NOTE26
2026 F-250 Super Duty XL V8 7.3L SEE NOTE27
2011-2014 F-350 Super Duty V8 6.2L SEE NOTE1
2017-2020 F-350 Super Duty V8 6.2L SEE NOTE2
2015 F-350 Super Duty V8 6.2L SEE NOTE3
2021 F-350 Super Duty V8 6.2L SEE NOTE4
2016-2022 F-350 Super Duty Lariat / XL / XLT V8 6.2L SEE NOTE6
2016-2022 F-350 Super Duty Lariat / XL / XLT V8 6.2L SEE NOTE7
2012 F-350 Super Duty V8 6.2L SEE NOTE28
2012 F-350 Super Duty V8 6.2L SEE NOTE29
2014 F-350 Super Duty V8 6.2L SEE NOTE30
2011-2022 F-350 Super Duty V8 6.2L SEE NOTE31
2011-2022 F-350 Super Duty V8 6.2L SEE NOTE32
2012-2022 F-350 Super Duty V8 6.2L SEE NOTE33
2011-2022 F-350 Super Duty V8 6.2L SEE NOTE34
2011-2022 F-350 Super Duty V8 6.2L SEE NOTE35
2011-2022 F-350 Super Duty V8 6.2L SEE NOTE36
2011-2014 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE1
2017-2020 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE2
2015 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE3
2021 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE4
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE5
2016-2024 F-350 Super Duty Lariat / XL / XLT V8 6.7L Turbo Diesel SEE NOTE6
2016-2024 F-350 Super Duty Lariat / XL / XLT V8 6.7L Turbo Diesel SEE NOTE7
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE17
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE18
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE19
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE20
2026 F-350 Super Duty XL / XL Plus V8 6.7L Turbo Diesel SEE NOTE21
2026 F-350 Super Duty Platinum V8 6.7L Turbo Diesel SEE NOTE22
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE23
2026 F-350 Super Duty XL V8 6.7L Turbo Diesel SEE NOTE25
2012 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE28
2012 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE29
2014 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE30
2011-2025 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE31
2011-2025 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE32
2012-2025 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE33
2011-2025 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE34
2011-2025 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE35
2011-2025 F-350 Super Duty V8 6.7L Turbo Diesel SEE NOTE36
2011-2014 F-350 Super Duty V10 6.8L SEE NOTE1
2017 F-350 Super Duty V10 6.8L SEE NOTE2
2015 F-350 Super Duty V10 6.8L SEE NOTE3
2016-2019 F-350 Super Duty Lariat / XL / XLT V10 6.8L SEE NOTE6
2016-2019 F-350 Super Duty Lariat / XL / XLT V10 6.8L SEE NOTE7
2012 F-350 Super Duty V10 6.8L SEE NOTE28
2012 F-350 Super Duty V10 6.8L SEE NOTE29
2014 F-350 Super Duty V10 6.8L SEE NOTE30
2011-2019 F-350 Super Duty V10 6.8L SEE NOTE31
2011-2019 F-350 Super Duty V10 6.8L SEE NOTE32
2012-2019 F-350 Super Duty V10 6.8L SEE NOTE33
2011-2019 F-350 Super Duty V10 6.8L SEE NOTE34
2011-2019 F-350 Super Duty V10 6.8L SEE NOTE35
2011-2019 F-350 Super Duty V10 6.8L SEE NOTE36
2026 F-350 Super Duty XL V8 6.8L SEE NOTE5
2023-2024 F-350 Super Duty Lariat / XL / XLT V8 6.8L SEE NOTE6
2023-2024 F-350 Super Duty Lariat / XL / XLT V8 6.8L SEE NOTE7
2026 F-350 Super Duty XL V8 6.8L SEE NOTE17
2026 F-350 Super Duty XL V8 6.8L SEE NOTE18
2026 F-350 Super Duty XL V8 6.8L SEE NOTE19
2026 F-350 Super Duty XL V8 6.8L SEE NOTE20
2026 F-350 Super Duty XL / XL Plus V8 6.8L SEE NOTE21
2026 F-350 Super Duty Platinum V8 6.8L SEE NOTE22
2026 F-350 Super Duty XL V8 6.8L SEE NOTE23
2026 F-350 Super Duty XL V8 6.8L SEE NOTE25
2023-2025 F-350 Super Duty V8 6.8L SEE NOTE31
2023-2025 F-350 Super Duty V8 6.8L SEE NOTE32
2023-2025 F-350 Super Duty V8 6.8L SEE NOTE33
2023-2025 F-350 Super Duty V8 6.8L SEE NOTE34
2023-2025 F-350 Super Duty V8 6.8L SEE NOTE35
2023-2025 F-350 Super Duty V8 6.8L SEE NOTE36
2020 F-350 Super Duty V8 7.3L SEE NOTE2
2021 F-350 Super Duty V8 7.3L SEE NOTE4
2026 F-350 Super Duty XL V8 7.3L SEE NOTE5
2020-2024 F-350 Super Duty Lariat / XL / XLT V8 7.3L SEE NOTE6
2020-2024 F-350 Super Duty Lariat / XL / XLT V8 7.3L SEE NOTE7
2026 F-350 Super Duty XL V8 7.3L SEE NOTE17
2026 F-350 Super Duty XL V8 7.3L SEE NOTE18
2026 F-350 Super Duty XL V8 7.3L SEE NOTE19
2026 F-350 Super Duty XL V8 7.3L SEE NOTE20
2026 F-350 Super Duty XL / XL Plus V8 7.3L SEE NOTE21
2026 F-350 Super Duty Platinum V8 7.3L SEE NOTE22
2026 F-350 Super Duty XL V8 7.3L SEE NOTE23
2026 F-350 Super Duty XL V8 7.3L SEE NOTE25
2020-2025 F-350 Super Duty V8 7.3L SEE NOTE31
2020-2025 F-350 Super Duty V8 7.3L SEE NOTE32
2020-2025 F-350 Super Duty V8 7.3L SEE NOTE33
2021-2025 F-350 Super Duty V8 7.3L SEE NOTE34
2020-2025 F-350 Super Duty V8 7.3L SEE NOTE35
2020-2025 F-350 Super Duty V8 7.3L SEE NOTE36
Note 1: 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703; Do Not Use w/Factory Overload Contact Springs; 4 Leaf Stack; Up to 3500 lbs. load assist;Body Type: Extended Cab Pickup; ; Drive Type: 4WD
Note 2: 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703; Do Not Use w/Factory Overload Contact Springs; 4 Leaf Stack; Up to 3500 lbs. load assist;Body Type: Extended Cab Pickup; ; Drive Type: RWD
Note 3: 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703; Do Not Use w/Factory Overload Contact Springs; 4 Leaf Stack; Up to 3500 lbs. load assist;Body Type: Standard Cab Pickup; ; Drive Type: 4WD
Note 4: 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703; Do Not Use w/Factory Overload Contact Springs; 4 Leaf Stack; Up to 3500 lbs. load assist;Body Type: Standard Cab Pickup; ; Drive Type: RWD
Note 5: 3500 lbs, of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Standard Cab Pickup; ; Drive Type: RWD
Note 6: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Cab & Chassis; ; Drive Type: 4WD
Note 7: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Cab & Chassis; ; Drive Type: RWD
Note 8: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: 4WD
Note 9: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: RWD
Note 10: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Extended Cab Pickup; ; Drive Type: 4WD
Note 11: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Extended Cab Pickup; ; Drive Type: RWD
Note 12: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Standard Cab Pickup; ; Drive Type: 4WD
Note 13: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware;Body Type: Standard Cab Pickup; ; Drive Type: RWD
Note 14: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs or use 9703 ; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: 4WD
Note 15: 3500 lbs. Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or Use 9703; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: 4WD
Note 16: 3500 lbs. of Capacity; 4 Leaf Stack, ; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Extended Cab Pickup; ; Drive Type: RWD
Note 17: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: 4WD
Note 18: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Extended Cab Pickup; ; Drive Type: 4WD
Note 19: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Standard Cab Pickup; ; Drive Type: 4WD
Note 20: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Cab & Chassis; ; Drive Type: 4WD
Note 21: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Cab & Chassis; ; Drive Type: RWD
Note 22: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: 4WD
Note 23: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Crew Cab Pickup; ; Drive Type: RWD
Note 24: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Extended Cab Pickup; ; Drive Type: 4WD
Note 25: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Extended Cab Pickup; ; Drive Type: RWD
Note 26: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Standard Cab Pickup; ; Drive Type: 4WD
Note 27: 3500 lbs. of Capacity; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or 9703; Requires PN[25301] mounting hardware;Body Type: Standard Cab Pickup; ; Drive Type: RWD
Note 28: Up to 3500 lbs. load assist; 4 Leaf Stack; 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703; Do Not Use w/Factory Overload Contact Springs;Body Type: Crew Cab Pickup; ; Drive Type: RWD
Note 29: Up to 3500 lbs. load assist; 4 Leaf Stack; 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703; Do Not Use w/Factory Overload Contact Springs;Body Type: Standard Cab Pickup; ; Drive Type: 4WD
Note 30: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; 2 and 4 wheel drive; Requires PN[25301] mounting hardware; or use 9703;Body Type: Extended Cab Pickup; ; Drive Type: RWD
Note 31: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive;Body Type: Crew Cab Pickup; ; Drive Type: 4WD
Note 32: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive;Body Type: Crew Cab Pickup; ; Drive Type: RWD
Note 33: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive;Body Type: Extended Cab Pickup; ; Drive Type: 4WD
Note 34: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive;Body Type: Extended Cab Pickup; ; Drive Type: RWD
Note 35: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive;Body Type: Standard Cab Pickup; ; Drive Type: 4WD
Note 36: Up to 3500 lbs. load assist; 4 Leaf Stack; Do Not Use w/Factory Overload Contact Springs; or use 9703; Requires PN[25301] mounting hardware; 2 and 4 wheel drive;Body Type: Standard Cab Pickup; ; Drive Type: RWD
