Which vehicles is this clock spring compatible with?

It is designed for Jeep Grand Cherokee (2011–2013, WK2 chassis).

What OEM number does this product replace?

It directly replaces OEM part number 10008742. It may also be known as 870C.

What are the symptoms of a bad clock spring?

Common signs include an illuminated airbag warning light, non-functioning horn, unresponsive steering wheel buttons, or a clicking noise when turning the wheel.

Can I install it myself?

Yes, if you have basic mechanical skills. Always disconnect the battery first and ensure the front wheels are straight. The included centering clip helps keep the spring aligned during installation. If unsure, consult a professional.

Does it work in extreme temperatures?

Yes, it is tested for reliable operation from -40°C to +85°C.

Yes, we offer a 1-year warranty against manufacturing defects.

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Clock Spring WG9925470070 for Sinotruk HOWO A7 T7 T7H – Airbag Spiral Cable

Direct replacement clock spring (airbag spiral cable) for Sinotruk HOWO A7, T7, T7H, TH7, and compatible heavy trucks (Sitrak, Shacman, Beiben). Replaces OEM #WG9925470070. 3-pin configuration. Essential component for driver airbag (SRS), horn, and steering wheel controls. High-strength copper ribbon, flame-retardant housing. 300,000-cycle test (-40°C to +85°C). Includes centering clip. CE/ISO9001 certified. 1-year warranty. Verify connector compatibility before ordering.

Product Description – Clock Spring WG9925470070 for Sinotruk HOWO A7 / T7 / T7H / TH7

🔍 IMPORTANT – PLEASE READ

This clock spring (airbag spiral cable) is a critical safety component located behind the steering wheel. Its role is to maintain continuous electrical connection for the driver's airbag (SRS), horn, and steering wheel controls as the steering wheel turns .

⚠️ CRITICAL: This clock spring features a 3-pin connector configuration. Always visually compare the connector shape, pin configuration (3 pins), and appearance with your original part before ordering. For 100% confirmation, please contact us with your VIN .

OEM Cross Reference: This part is available under multiple OEM numbers including WG9925470070, WG9925470070/1, WG9925470070/2 .

Return Policy: This electrical component is not returnable once installed. Please ensure compatibility before purchase.

Direct Fit for Sinotruk Models
Based on compatibility research from multiple supplier catalogs, this clock spring fits the following vehicles:

Make	Model	Years	Chassis / Notes
Sinotruk (中国重汽) 山东济南中国重汽/山东济南中国重汽中国重汽豪沃、陕汽、重汽、北奔、重汽汕德卡、欧曼	HOWO A7 (豪沃A7) / HOWO T7 / HOWO T7H / HOWO TH7 (豪沃TH7/480牵引车)	2009–2025	Heavy-duty trucks, 6x4, 8x4, 4x2 configurations, with multifunction steering wheel
Sinotruk (中国重汽) 山东济南中国重汽/山东济南中国重汽中国重汽豪沃、陕汽、重汽、北奔、重汽汕德卡、欧曼	Sinotruk Sitrak C7H / T7H / C5H	—	High-end heavy truck series – verify with original part
Shaanxi Automobile Group (陕汽) / Shacman	Dumper / Tractor / Truck	—	May be compatible – verify with original part
Beiben Truck (北奔重卡)	Truck / Tractor	—	May be compatible – verify with original part

Technical Specifications

🔹 Brand: ROYUAN – Premium aftermarket manufacturer
🔹 Function: Clock spring / Airbag spiral cable / Squib sensor / Rotary connector
🔹 Pin Configuration: 3-pin
🔹 Placement on Vehicle: Steering column, behind steering wheel
🔹 Material: High-strength copper ribbon, flame-retardant ABS plastic housing
🔹 OE Numbers: WG9925470070, WG9925470070/1, WG9925470070/2

Key Functions
The clock spring maintains continuous electrical connection between the steering wheel and vehicle systems, enabling:

✅ Airbag (SRS) system activation – critical safety component
✅ Horn operation
✅ Steering wheel audio controls (volume, station, mode)
✅ Cruise control switches

Signs of Failure
A faulty clock spring may exhibit the following symptoms:

⚠️ Airbag warning light illuminates on dashboard
📢 Horn does not function
🎛️ Steering wheel-mounted controls become unresponsive
🔊 Clicking or grinding noise when turning the steering wheel
🚨 In critical cases, driver airbag may not deploy in a collision

⚠️ IMPORTANT SAFETY NOTE & INSTALLATION TIPS

Before Installation: Disconnect the battery negative terminal and wait at least 5 minutes for the airbag system to discharge.

Centering: Ensure front wheels are perfectly straight. The new clock spring comes with a centering clip – do NOT remove this clip until the clock spring is fully installed and the steering wheel is in position. Turn the clock spring rotor to the end stop in one direction, then rotate back approximately 2.5 turns to the center position .

Pin Configuration Verification: This clock spring has a 3-pin connector configuration. Please count the pins on your original connector before ordering to ensure compatibility .

Steering Angle Sensor Transfer: If your original clock spring has a steering angle sensor attached, you will need to unclip it and fit it to the new unit.

Verification: Always verify that the replacement part matches your original in connector type and pin configuration. For 100% confirmation, contact us with your VIN .

Post-Installation: After installation, verify horn function, steering wheel controls, and ensure the airbag warning light extinguishes correctly .

Professional Installation: Due to the critical safety nature of this component, installation by a qualified technician is strongly recommended.

Quality You Can Trust

🔹 High-Purity Copper Ribbon: Stable, interference-free signal transmission
🔹 Flame-Retardant Housing: Meets stringent automotive safety standards
🔹 Rigorous Testing: 300,000-cycle endurance test (-40°C to +85°C)
🔹 Centering Clip Included: Do NOT remove until fully installed
🔹 Warranty: 1-year warranty

Package Includes: 1 x Clock Spring Assembly (with centering clip), 1 x Installation Guide (available upon request)