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Details
| Specification | Value |
|---|---|
| Brand | ATE |
| MPN | 03.7750-0302.4 |
| Category | power brake booster |
| Diameter [inch] | 9 Inch |
| Parameter | T52 |
| Operating Mode | PN |
| Brake System | ATE |
OE numbers (9)
Search by this OE number to find compatible parts
- VAG—321 612 105
- VAG—811 612 107 C
- VAG—812 612 107 C
- VAG—853 612 107 A
- VAG—853 612 107 B
- VAG—853 612 107 D
- VAG—893 612 107 A
- VAG—893 612 107 B
- VAG—8A2 612 107
Where this part fits
Original-fit position for OE 893612107A. The red ring marks where this part installs on the vehicle.
About this product
ATE power brake booster (03.7750-0302.4) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Diameter [inch]: Stainless Steel Inch, Parameter: T52, Operating Mode: PN, Brake System: ATE — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, VW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 0 986 485 081, 321 612 105, 811 612 107 C, 812 612 107 C and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ATE 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.
About ATE
ATE (Alfred Teves), founded in 1906 in Frankfurt, Germany, is one of the most respected names in braking technology, now part of the Continental Corporation. ATE specialises in brake pads, brake discs, brake calipers, brake fluid, and hydraulic components. As the original equipment supplier to Volkswagen, Audi, BMW, Mercedes-Benz, and Porsche, ATE sets the standard for braking safety. With over a century of braking innovation, ATE parts provide the confidence of OE-quality stopping power in every driving situation.
Suitable cars
Equivalent products (3)
power brake booster ATE 03.7750-0302.4 — compatible car models
| Car models | AUDI: 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 80 B2 Saloon (811, 813, 814, 819, 853), 80 B3 Saloon (893, 894, 8A2), 80 B4 Avant (8C5), 80 B4 Saloon (8C2), 90 B2 (813, 814, 853), 90 B3 (893, 894, 8A2), CABRIOLET B3 (8G7), COUPE B2 (81, 855, 856) (+1 more); VW: PASSAT B2 (32B), PASSAT B2 Saloon (32B), PASSAT B2 Variant (33B) |
|---|---|
| Engines | 1.8; 1.8 Cat; 1.3; 1.6; 1.6 E; 1.6 TD; 2.3 E |
| Year of manufacture | 1978-2000 |
| Manufacturer article number (MPN) | 03.7750-0302.4 |
| OE part numbers | 321 612 105, 811 612 107 C, 812 612 107 C, 853 612 107 A, 853 612 107 B, 853 612 107 D, 893 612 107 A, 893 612 107 B, 8A2 612 107 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
ATE 03.7750-0302.4 power brake booster. Brake System: ATE. Diameter [inch]: 9 Inch. Operating Mode: PN. Parameter: T52
- 1x power brake booster
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 power brake booster compatible with my car?
This power brake booster fits AUDI, VW 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 ATE power brake booster have?
This ATE power brake booster has the following specifications: Diameter [inch]: 9 Inch; Parameter: T52; Operating Mode: PN; Brake System: ATE. Check the full specifications table above for complete details.
What OE part numbers does this power brake booster replace?
This power brake booster replaces OE part numbers: 321 612 105, 811 612 107 C, 812 612 107 C, 853 612 107 A, 853 612 107 B, 853 612 107 D, 893 612 107 A, 893 612 107 B and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a power brake booster cost?
This ATE power brake booster is available for £186.99. Power brake booster prices vary depending on brand, specifications, and vehicle compatibility. ATE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my power brake booster?
Regular inspection of your power brake booster 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 power brake booster?
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 power brake booster fitted by a professional mechanic.
Can I use this part as a replacement for OE 321 612 105?
Yes, this ATE power brake booster is a direct replacement for OE part number 321 612 105. 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 ATE 03.7750-0302.4 the same as the ATE 03.7745-3003.4?
No, while both are power brake booster parts, they are different products. The ATE 03.7750-0302.4 has Diameter [inch]: 9 Inch, Parameter: T52, Operating Mode: PN. The ATE 03.7745-3003.4 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.
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