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Details
| Specification | Value |
|---|---|
| Brand | TRW |
| MPN | jtc1129 |
| Length [mm] | 441 mm |
| Diameter 1 [mm] | 76 mm |
| Diameter 2 [mm] | 80 mm |
| only in connection with | 31 10 3 438 623 |
| only in connection with | JBJ827 |
| only in connection with | 31 10 0 363 476 |
| Inner Diameter [mm] | 14 mm |
| paired article number | JTC1128 |
OE/OEM numbers (6)
Search by this OE number to find compatible parts
- BMW—0 363 478
- BMW—31 10 0 363 478
- BMW—31 10 3 412 138
- BMW—31 10 3 443 128
- BMW—3 412 138
- BMW—3 443 128
Where this part fits
Original-fit position for OE 31103412138. The red ring marks where this part installs on the vehicle.
What's in the kit
This kit ships with 1 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | JBU219 | bushing, control/trailing arm
| 1 |
About this product
Sourced from TRW, this control trailing arm wheel suspension (JTC1129) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 441 mm, Diameter 1 [mm]: 76 mm, Diameter 2 [mm]: 80 mm, only in connection with: 31 10 3 438 623, only in connection with: JBJ827 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit BMW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 0 363 478, 0382724, 047588B, 0831164 and 28 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TRW is a recognised supplier of automotive suspension components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About TRW
TRW Automotive, with roots dating back to 1901 in Cleveland, USA, is a global leader in safety-critical automotive components, now part of ZF Friedrichshafen. TRW specialises in brake pads, brake discs, steering components, suspension parts, and engine valves. As an OE supplier to virtually all major global car manufacturers, TRW products meet the highest safety and performance standards. Trusted by vehicle makers for over a century, TRW delivers braking and steering components that prioritise safety without compromise.
Suitable cars
Equivalent products (26)
Show all 26 OE numbers
Control Trailing Arm Wheel Suspension TRW JTC1129 — compatible car models
| Car models | BMW: X3 (E83) |
|---|---|
| Engines | 2.0 d |
| Year of manufacture | 2003-2011 |
| Manufacturer article number (MPN) | JTC1129 |
| OE part numbers | 0 363 478, 31 10 0 363 478, 31 10 3 412 138, 31 10 3 443 128, 3 412 138, 3 443 128 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TRW jtc1129 . Control/Trailing Arm Type: 1. Diameter 1 [mm]: 76 mm. Diameter 2 [mm]: 80 mm. Inner Diameter [mm]: 14 mm. Length [mm]: 441 mm. only in connection with: 31 10 0 363 476. only in connection with: 31 10 3 438 623. only in connection with: JBJ827
- 1x Control Trailing Arm Wheel Suspension
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Control Trailing Arm Wheel Suspension compatible with my car?
This Control Trailing Arm Wheel Suspension fits BMW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this TRW Control Trailing Arm Wheel Suspension have?
This TRW Control Trailing Arm Wheel Suspension has the following specifications: Length [mm]: 441 mm; Diameter 1 [mm]: 76 mm; Diameter 2 [mm]: 80 mm; only in connection with: 31 10 3 438 623; only in connection with: JBJ827; only in connection with: 31 10 0 363 476. Check the full specifications table above for complete details.
What OE part numbers does this Control Trailing Arm Wheel Suspension replace?
This Control Trailing Arm Wheel Suspension replaces OE part numbers: 0 363 478, 31 10 0 363 478, 31 10 3 412 138, 31 10 3 443 128, 3 412 138, 3 443 128. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Control Trailing Arm Wheel Suspension cost?
This TRW Control Trailing Arm Wheel Suspension is available for £53.99. Control Trailing Arm Wheel Suspension prices vary depending on brand, specifications, and vehicle compatibility. TRW parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Control Trailing Arm Wheel Suspension?
Regular inspection of your Control Trailing Arm Wheel Suspension is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Control Trailing Arm Wheel Suspension?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Control Trailing Arm Wheel Suspension fitted by a professional mechanic.
Can I use this part as a replacement for OE 0 363 478?
Yes, this TRW Control Trailing Arm Wheel Suspension is a direct replacement for OE part number 0 363 478. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
