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Details
| Specification | Value |
|---|---|
| Brand | TRW |
| MPN | jra157 |
| Category | Track Rod |
| Cone Pitch | 1:10 |
| Length [mm] | 300 mm |
| Thread Size | M10x1 |
| Cone Size [mm] | 14 mm |
| Overall Length [mm] | 338 mm |
OE numbers (8)
Search by this OE number to find compatible parts
- BMW—1 124 231
- BMW—1 129 020
- BMW—1 135 666
- BMW—1 135 668
- BMW—32 21 1 124 231
- BMW—32 21 1 129 020
- BMW—32 21 1 135 666
- BMW—32 21 1 135 668
Where this part fits
Original-fit position for OE 32211135666. The red ring marks where this part installs on the vehicle.

What's in the kit
This kit ships with 2 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 | JTE156 | Track Rod End
| 1 |
| 2 | JTE101 | Track Rod End
| 1 |
About this product
Sourced from TRW, this track rod (JRA157) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Cone Pitch: 1:10, Length [mm]: 300 mm, Thread Size: M10x1, Cone Size [mm]: Nylon mm, Overall Length [mm]: 338 mm — 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: 025 390 048 515, 041555B, 0500273, 05DS4214 and 32 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TRW is a recognised supplier of automotive replacement 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 with tracked delivery and a 14-day money-back guarantee with 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 (28)
Show all 28 OE numbers
Track Rod TRW JRA157 — compatible car models
| Car models | BMW: 5 (E28), 5 (E34), 5 Touring (E34), 6 (E24), 7 (E32), 8 (E31) |
|---|---|
| Engines | 518; 518 i; 518 g; 628 CSi; 730 i, iL; 840 Ci |
| Year of manufacture | 1975-1999 |
| Manufacturer article number (MPN) | JRA157 |
| OE part numbers | 1 124 231, 1 129 020, 1 135 666, 1 135 668, 32 21 1 124 231, 32 21 1 129 020, 32 21 1 135 666, 32 21 1 135 668 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TRW jra157 Track Rod. Cone Pitch: 1:10. Cone Size [mm]: 14 mm. Length [mm]: 300 mm. Overall Length [mm]: 338 mm. Supplementary Article/Supplementary Info: 0. Thread Size: M10x1
- 1x Track Rod
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Track Rod compatible with my car?
This Track Rod 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 Track Rod have?
This TRW Track Rod has the following specifications: Cone Pitch: 1:10; Length [mm]: 300 mm; Thread Size: M10x1; Cone Size [mm]: 14 mm; Overall Length [mm]: 338 mm; Supplementary Article/Supplementary Info: 0. Check the full specifications table above for complete details.
What OE part numbers does this Track Rod replace?
This Track Rod replaces OE part numbers: 1 124 231, 1 129 020, 1 135 666, 1 135 668, 32 21 1 124 231, 32 21 1 129 020, 32 21 1 135 666, 32 21 1 135 668. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Track Rod cost?
This TRW Track Rod is available for £40.99. Track Rod 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 Track Rod?
Regular inspection of your Track Rod 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 Track Rod?
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 Track Rod fitted by a professional mechanic.
Can I use this part as a replacement for OE 1 124 231?
Yes, this TRW Track Rod is a direct replacement for OE part number 1 124 231. 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.
