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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Length [mm] | 17.8 mm |
| Thread Size | M 10 |
| Thread Pitch [mm] | 1 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- BMW / MINI—1153 7 793 373
Where this part fits
Original-fit position for OE 11537793373. The red ring marks where this part installs on the vehicle.

About this product
TOPRAN Breather Screw Valve Radiator (502 597) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: Fibreglass, Carbon mm, Thread Size: M 10, Thread Pitch [mm]: Steel mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 001-10-18374, 06009999, 1153 7 793 373, 16560BW and 15 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (19)
Breather Screw Valve Radiator TOPRAN 502 597 — compatible car models
| Manufacturer article number (MPN) | 502 597 |
|---|---|
| OE part numbers | 1153 7 793 373 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 502597 . Length [mm]: 17,8 mm. Thread Pitch [mm]: 1 mm. Thread Size: M 10
- 1x Breather Screw Valve Radiator
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 Breather Screw Valve Radiator compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Breather Screw Valve Radiator fits. All fitment data is verified through TecDoc.
What specifications does this TOPRAN Breather Screw Valve Radiator have?
This TOPRAN Breather Screw Valve Radiator has the following specifications: Length [mm]: 17,8 mm; Thread Size: M 10; Thread Pitch [mm]: 1 mm. Check the full specifications table above for complete details.
What OE part numbers does this Breather Screw Valve Radiator replace?
This Breather Screw Valve Radiator replaces OE part numbers: 1153 7 793 373. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Breather Screw Valve Radiator cost?
This TOPRAN Breather Screw Valve Radiator is available for £1.99. Breather Screw Valve Radiator prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Breather Screw Valve Radiator?
Regular inspection of your Breather Screw Valve Radiator 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 Breather Screw Valve Radiator?
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 Breather Screw Valve Radiator fitted by a professional mechanic.
Can I use this part as a replacement for OE 1153 7 793 373?
Yes, this TOPRAN Breather Screw Valve Radiator is a direct replacement for OE part number 1153 7 793 373. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the TOPRAN 502 597 the same as the TOPRAN 501 437?
No, while both are Breather Screw Valve Radiator parts, they are different products. The TOPRAN 502 597 has Length [mm]: 17,8 mm, Thread Size: M 10, Thread Pitch [mm]: 1 mm. The TOPRAN 501 437 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.