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Details
| Specification | Value |
|---|---|
| Brand | ERT |
| for OE number | G030-89-334 |
| Fitting Position | Rear Axle |
| Diameter [mm] | 19 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- MAZDA—G030-89-334
Where this part fits
Original-fit position for OE G03089334. The red ring marks where this part installs on the vehicle.
About this product
Sourced from ERT, this repair kit wheel brake cylinder (300069) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — for OE number: G030-89-334, Fitting Position: Rear Axle, Diameter [mm]: Synthetic mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit HYUNDAI, MAZDA 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: 214128B, 240-21061, 300069, 319035 and 4 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ERT 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (7)
Repair Kit Wheel Brake Cylinder ERT 300069 — compatible car models
| Car models | HYUNDAI: S COUPE (SLC); MAZDA: 626 II (GC), 626 II Hatchback (GC) |
|---|---|
| Engines | 1.5 GS; 2.0 D (GC10F1); 1.6 (GC1061) |
| Year of manufacture | 1982-1996 |
| Manufacturer article number (MPN) | 300069 |
| OE part numbers | G030-89-334 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERT 300069 . Diameter [mm]: 19 mm. Fitting Position: HA. for OE number: G030-89-334
- 1x Repair Kit Wheel Brake Cylinder
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 Repair Kit Wheel Brake Cylinder compatible with my car?
This Repair Kit Wheel Brake Cylinder fits HYUNDAI, MAZDA 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 ERT Repair Kit Wheel Brake Cylinder have?
This ERT Repair Kit Wheel Brake Cylinder has the following specifications: for OE number: G030-89-334; Fitting Position: HA; Diameter [mm]: 19 mm. Check the full specifications table above for complete details.
What OE part numbers does this Repair Kit Wheel Brake Cylinder replace?
This Repair Kit Wheel Brake Cylinder replaces OE part numbers: G030-89-334. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Repair Kit Wheel Brake Cylinder cost?
This ERT Repair Kit Wheel Brake Cylinder is available for £2.99. Repair Kit Wheel Brake Cylinder prices vary depending on brand, specifications, and vehicle compatibility. ERT parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Repair Kit Wheel Brake Cylinder?
Regular inspection of your Repair Kit Wheel Brake Cylinder 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 Repair Kit Wheel Brake Cylinder?
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 Repair Kit Wheel Brake Cylinder fitted by a professional mechanic.
Can I use this part as a replacement for OE G030-89-334?
Yes, this ERT Repair Kit Wheel Brake Cylinder is a direct replacement for OE part number G030-89-334. 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 ERT 300069 the same as the ERT 300042?
No, while both are Repair Kit Wheel Brake Cylinder parts, they are different products. The ERT 300069 has for OE number: G030-89-334, Fitting Position: HA, Diameter [mm]: 19 mm. The ERT 300042 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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