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Details
| Specification | Value |
|---|---|
| Brand | STC |
| MPN | t404378 |
| Category | Engine mounting |
| Fitting Position | Right Front |
| Weight [kg] | 0.78 kg |
| Weight [g] | 780 g |
OE/OEM numbers (8)
Where this part fits
Original-fit position for OE 5684051. The red ring marks where this part installs on the vehicle.
![BLOCK,DAMPER,RIGHT ENGINE MOUNTING (IDENT YL) — Opel ASTRA-G ( 1998 - 2010) — E ENGINE AND CLUTCH › 1 X12XE[LW4],Z12XE[LW4] PETROL ENGINES](/_next/image?url=https%3A%2F%2Fcdn.carparts247.co.uk%2Fdiagrams%2Foem%2Fopel%2Ft98%2Fbeeee095619d63d3%2F5.webp&w=3840&q=75)
About this product
Sourced from STC, this engine mounting (T404378) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: RV, Weight [kg]: 0, 78 kg, Mounting Type: Cast Iron, Weight [g]: 780 g — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit OPEL 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: 04378, 1225379, 1225380, 1225386 and 76 more. Matching these numbers confirms a like-for-like replacement with no loss of function. STC 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.
Suitable cars
Equivalent products (72)
Show all 72 OE numbers
Engine mounting STC T404378 — compatible car models
| Car models | OPEL: ASTRA G Estate (T98), ASTRA G Hatchback (T98), ASTRA G Saloon (T98), ASTRA H (A04), ASTRA H Estate (A04), ASTRA H GTC (A04), ASTRA H TwinTop (A04), ZAFIRA A MPV (T98), ZAFIRA / ZAFIRA FAMILY B (A05) |
|---|---|
| Engines | 1.2 16V (F35); 1.2 16V (F08, F48); 1.2 16V (F69); 1.2 (L48); 1.3 CDTI (L35); 1.3 CDTI (L08); 1.6 (L67); 1.6 16V (F75); 1.6 CNG (M75) |
| Year of manufacture | 1998-2019 |
| Manufacturer article number (MPN) | T404378 |
| OE part numbers | 5684 051, 5684 052, 5684 053, 5684 054, 5684 178, 90575772, 90575779, 90576049 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
STC t404378 Engine mounting. Fitting Position: RV. Mounting Type: 3. Weight [g]: 780 g. Weight [kg]: 0,78 kg
- 1x Engine mounting
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 Engine mounting compatible with my car?
This Engine mounting fits OPEL 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 STC Engine mounting have?
This STC Engine mounting has the following specifications: Fitting Position: RV; Weight [kg]: 0,78 kg; Mounting Type: 3; Weight [g]: 780 g. Check the full specifications table above for complete details.
What OE part numbers does this Engine mounting replace?
This Engine mounting replaces OE part numbers: 5684 051, 5684 052, 5684 053, 5684 054, 5684 178, 90575772, 90575779, 90576049. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Engine mounting cost?
This STC Engine mounting is available for £37.99. Engine mounting prices vary depending on brand, specifications, and vehicle compatibility. STC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Engine mounting?
Regular inspection of your Engine mounting 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 Engine mounting?
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 Engine mounting fitted by a professional mechanic.
Can I use this part as a replacement for OE 5684 051?
Yes, this STC Engine mounting is a direct replacement for OE part number 5684 051. 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.