Left Torsion Bar Tensioner Voor Iveco Daily

Left torsion bar tensioner – Iveco Daily 65C / 70C (1998-2013)

The left torsion bar tensioner for Iveco Daily 65C and 70C, OEM reference 500365751, is the adjustment component that controls the pre-tension applied to the left front axle torsion bar. On heavy-duty versions of Iveco Daily (65C and 70C), equipped with a front suspension system using torsion bars and pull-rods, this tensioner plays an essential role: it determines the front ride height and directly affects the driving behavior, front axle geometry, and the front axle load capacity.

💡 Reminder of operation: the torsion bar replaces the conventional coil spring. Fixed on one side to the suspension arm and on the other to the chassis via the tensioner, it twists elastically to absorb impacts and maintain the body at the correct height. The tensioner allows modulation of this pre-tension according to the vehicle's load.

🔧 Reference and compatibility

Iveco OEM reference: 500365751 (cross reference: 5801725718). Compatible with:

• ✅ Iveco Daily 65C – production 1998 to 2013
• ✅ Iveco Daily 70C – production 1998 to 2013

⚠️ This tensioner is specific to heavy-duty 65C and 70C versions equipped with torsion bar front axle and suspension arms. It is not compatible with 35C/35S versions equipped with triangles and leaf suspension. If in doubt, contact our technical service with your vehicle's chassis number.

⚙️ Technical specifications

✅ OEM reference: 500365751 / 5801725718
✅ Mounting side: Left (driver's side)
✅ Application: Front axle with torsion bars and suspension arms
✅ Compatible versions: Iveco Daily 65C and 70C only
✅ Mounting: Direct fit without modification
✅ Condition: New

⚠️ Wear signs: when to replace the torsion bar tensioner?

A worn, corroded, or misadjusted tensioner manifests progressively, but its effects on handling are significant, particularly on 65C and 70C versions subject to high loads.

• ❌ Vehicle tilting to one side — uneven ride height between left and right sides
• ❌ Insufficient ground clearance at front left, especially when loaded or descending
• ❌ Bottoming out in corners or on rough roads — sign of insufficient pre-tension
• ❌ Uneven tire wear caused by poor alignment resulting from uneven ride height
• ❌ Corroded, cracked, or stuck tensioner observed during vehicle inspection underneath
• ❌ Suspension noises at the front left over bumps or speed bumps

🚨 A failing tensioner compromises the entire front axle geometry. Quick intervention is essential to prevent premature tire wear, joint and bushing degradation, and to preserve vehicle safety when loaded.

🔩 Mounting and adjustment tips

🔹 Tensioner replacement must be followed by ride height adjustment: operate the tensioner adjustment screw in successive increments until achieving symmetrical height on both sides.
🔹 Each adjustment increment provides approximately 2 to 4 cm of ground clearance gain — adjust progressively without exceeding the manufacturer's range to avoid excessive suspension stiffening.
🔹 Simultaneously check the condition of the right-side tensioner: wear is often symmetrical on high-mileage vehicles or those regularly overloaded.
🔹 After replacement and adjustment, a complete front axle geometry alignment is mandatory to correct wheel alignment and prevent premature tire wear.
🔹 Use penetrating oil on threaded areas before disassembly; corrosion often makes the operation difficult on older vehicles.
💡 Take the opportunity to inspect the condition of torsion bar bushings and suspension arm ball joints, components frequently stressed at the same mileage.

🛒 Complementary parts to check simultaneously

For a complete front axle overhaul of your Iveco Daily 65C / 70C, find on RAXOR Parts:

• ✅ Right torsion bar 65C / 70C Iveco Daily – opposite side to check simultaneously
• ✅ Right torsion bar tensioner 65C / 70C – often worn symmetrically
• ✅ Left torsion bar – to replace if fatigued or broken following impact
• ✅ Torsion bar bushings – to inspect during any front axle work
• ✅ Suspension arm ball joints 65C / 70C – highly stressed on these heavy-duty versions
• ✅ Front shock absorbers – to check for bottoming out or unstable behavior

🏆 Why choose RAXOR Parts?

Specialist in Iveco Daily spare parts since 2017, we select each reference for compliance with original manufacturer specifications.

• ✅ Over 8,500 references in stock
• ✅ Fast delivery – next day at your door
• ✅ Responsive customer service – phone, live chat, or email
• ✅ Attractive pricing and year-round promotions

🚚 Order your Iveco Daily 65C / 70C left torsion bar tensioner ref. 500365751 now and restore your vehicle's original ride height and handling.