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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Category | Brake pad set |
| Fitting Position | Front Axle |
| Test Mark | ECE R90 APPROVED |
| Thickness 1 [mm] | 15.5 mm |
OE/OEM numbers (6)
Search by this OE number to find compatible parts
- SMART—451 421 00 10
- SMART—451 421 01 10
- SMART—451 421 02 10
- SMART—A451 421 00 10
- SMART—A451 421 01 10
- SMART—A451 421 02 10
Where this part fits
Original-fit position for OE 4514210210. The red ring marks where this part installs on the vehicle.
About this product
TOPRAN brake pads (407 934) deliver consistent stopping power through a friction compound engineered for low noise, reduced brake dust, and stable bite across a wide temperature range. The pad compound characteristics — Fitting Position: Front Axle, Test Mark: ECE R90 APPROVED, Wear Warning Contact: Copper, Supplementary Article/Supplementary Info: 0 — are selected to balance progressive pedal feel with minimal wear on mating discs. Designed as a direct replacement for SMART applications, these pads slot into the original caliper bracket without modification. Cross-references OE part numbers: 02.35.246, 025 219 9915, 05P761, 0705 02 and 215 more. TOPRAN brake friction products are validated in independent dynamometer tests and are used by authorised service centres throughout Europe. Brake pads typically need replacing every 25,000–50,000 miles, depending on driving style, vehicle weight, and whether you drive mostly in urban stop-start traffic or on open roads. Watch for squealing or grinding noises when braking, increased stopping distances, a pulsating brake pedal, or a brake warning light on your dashboard — any of these signals that the friction material is worn to its minimum thickness. Brake pad replacement is a moderate DIY job requiring basic hand tools, a jack, and axle stands — allow approximately 1–2 hours per axle for a first-time installer, less if you have experience with caliper removal. When choosing brake pads, look for ECE R90 approval (mandatory for road use in Europe), copper-free formulations for environmental compliance, and a shim or anti-squeal backing plate for quiet operation. Replacing brake pads promptly prevents scoring and heat damage to the more expensive brake discs, saving significantly on repair costs in the long run. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Brake pad set buying guide
Why replace this part?
Brake pads are the primary friction component in your braking system. As they wear thin, braking performance deteriorates, increasing stopping distances and putting your safety at risk. Worn pads can also damage brake discs, leading to more expensive repairs.
Signs you need a replacement
- Squealing or grinding noises when braking
- increased stopping distances
- brake pedal vibration or pulsation
- dashboard warning light
- visible pad thickness below 3mm
- pulling to one side when braking
When to replace
Every 30,000–70,000 miles depending on driving conditions, pad material, and vehicle weight. City driving with frequent stops wears pads faster than motorway driving.
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
Equivalent products (200)
Show all 200 OE numbers
Brake pad set TOPRAN 407 934 — compatible car models
| Car models | SMART: CABRIO (450), CITY-COUPE (450), FORTWO Cabrio (450), FORTWO Cabrio (451), FORTWO Coupe (450), FORTWO Coupe (451) |
|---|---|
| Engines | 0.6 (450.432); 0.6 (450.330, 450.332); 0.7 (450.433); 0.8 CDi (451.400); 0.7 (450.335); 0.8 CDi (451.300) |
| Year of manufacture | 1998-2007 |
| Manufacturer article number (MPN) | 407 934 |
| OE part numbers | 451 421 00 10, 451 421 01 10, 451 421 02 10, A451 421 00 10, A451 421 01 10, A451 421 02 10 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 407934 Brake pad set. Fitting Position: VA. Number of pads: 4. Supplementary Article/Info 2: 256. Supplementary Article/Supplementary Info: 0. Test Mark: ECE R90 APPROVED. Thickness 1 [mm]: 15,5 mm. Wear Warning Contact: 4
- 1x Set of brake pads (axle set)
- Wear indicator wire (where applicable)
- Mounting accessories (where applicable)
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 Brake pad set compatible with my car?
This Brake pad set fits SMART 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 TOPRAN Brake pad set have?
This TOPRAN Brake pad set has the following specifications: Fitting Position: VA; Test Mark: ECE R90 APPROVED; Wear Warning Contact: 4; Supplementary Article/Supplementary Info: 0; Supplementary Article/Info 2: 256; Thickness 1 [mm]: 15,5 mm. Check the full specifications table above for complete details.
What OE part numbers does this Brake pad set replace?
This Brake pad set replaces OE part numbers: 451 421 00 10, 451 421 01 10, 451 421 02 10, A451 421 00 10, A451 421 01 10, A451 421 02 10. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Brake pad set cost?
This TOPRAN Brake pad set is available for £18.99. Brake pad set 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 Brake pad set?
Common signs include squealing or grinding noises when braking, increased stopping distances, brake pedal vibration, or a dashboard warning light. Most brake pads should be inspected every 20,000 miles and replaced when pad thickness falls below 3mm.
What tools do I need to replace a Brake pad set?
Tools needed: floor jack and axle stands, lug wrench or 19mm socket, brake caliper wind-back tool (or C-clamp), 7mm hex / Torx socket for caliper bolts, brake cleaner spray, copper grease, torque wrench. Difficulty: Moderate DIY. Safety warning: Never compress the caliper piston without checking the brake fluid reservoir level will not overflow; brake fluid is corrosive -- keep it off painted surfaces and skin.
Can I use this part as a replacement for OE 451 421 00 10?
Yes, this TOPRAN Brake pad set is a direct replacement for OE part number 451 421 00 10. 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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