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Details
| Specification | Value |
|---|---|
| Brand | RAP BRAKES |
| MPN | r-k1128 |
| Category | Brake calliper |
| Fitting Position | Rear Right |
| Brake System | TRW |
| paired article number | R-K1127 |
| Piston Diameter [mm] | 36 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- BMW / MINI—34 21 6 784 646
- BMW / MINI—6 784 646
Where this part fits
Original-fit position for OE 34216784646. The red ring marks where this part installs on the vehicle.
About this product
Sourced from RAP BRAKES, this brake calliper (R-K1128) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: Rear Right, Brake Caliper Type: Steel, Material: Steel, Brake System: TRW, paired article number: R-K1127 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit MINI 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: 2115246, 34 21 6 784 646, 344833, 38304500 and 9 more. Matching these numbers confirms a like-for-like replacement with no loss of function. RAP BRAKES is a recognised supplier of automotive braking 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.
Suitable cars
Equivalent products (11)
Brake calliper RAP BRAKES R-K1128 — compatible car models
| Car models | MINI: MINI CLUBMAN (R55), MINI CLUBVAN (R55), MINI Convertible (R57), MINI Coupe (R58), MINI (R50, R53), MINI (R56), MINI Roadster (R59) |
|---|---|
| Engines | Cooper; John Cooper Works |
| Year of manufacture | 2001-2015 |
| Manufacturer article number (MPN) | R-K1128 |
| OE part numbers | 34 21 6 784 646, 6 784 646 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
RAP BRAKES r-k1128 Brake calliper. Brake Caliper Type: 1. Brake System: TRW. Fitting Position: HR. Material: 1. paired article number: R-K1127. Piston Diameter [mm]: 36 mm
- 1x Brake calliper
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 Brake calliper compatible with my car?
This Brake calliper fits MINI 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 RAP BRAKES Brake calliper have?
This RAP BRAKES Brake calliper has the following specifications: Fitting Position: HR; Brake Caliper Type: 1; Material: 1; Brake System: TRW; paired article number: R-K1127; Piston Diameter [mm]: 36 mm. Check the full specifications table above for complete details.
What OE part numbers does this Brake calliper replace?
This Brake calliper replaces OE part numbers: 34 21 6 784 646, 6 784 646. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Brake calliper cost?
This RAP BRAKES Brake calliper is available for £40.99. Brake calliper prices vary depending on brand, specifications, and vehicle compatibility. RAP BRAKES parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Brake calliper?
Regular inspection of your Brake calliper 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 Brake calliper?
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 Brake calliper fitted by a professional mechanic.
Can I use this part as a replacement for OE 34 21 6 784 646?
Yes, this RAP BRAKES Brake calliper is a direct replacement for OE part number 34 21 6 784 646. 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.
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