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Details
| Specification | Value |
|---|---|
| Brand | SWAG |
| Length [mm] | 39 mm |
| Weight [kg] | 0,002 kg |
| External Thread Size | M8 x 1.25 |
OE numbers (25)
Where this part fits
Original-fit position for OE 850741. The red ring marks where this part installs on the vehicle.
![STUD,M8 X 25,MANIFOLD TO CYLINDER HEAD — Opel CALIBRA ( 1989 - 1997) — G FUEL AND EXHAUST › 35.C20NE[LE4] ENGINE](/_next/image?url=https%3A%2F%2Fcdn.carparts247.co.uk%2Fdiagrams%2Foem%2Fopel%2Fc89%2Ff6bc3fc1f4d16af5%2F3.webp&w=3840&q=75)
About this product
Sourced from SWAG, this bolt exhaust system (40 91 7706) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 39 mm, Weight [kg]: 0, 002 kg, External Thread Size: M8 x 1, 25 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit OPEL, VAUXHALL 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: 004773370, 00850736, 04773370, 08 50 741 and 27 more. Matching these numbers confirms a like-for-like replacement with no loss of function. SWAG 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About SWAG
SWAG, part of the bilstein group based in Ennepetal, Germany, is a trusted independent aftermarket brand offering a wide range of quality replacement parts. SWAG specialises in engine components, suspension parts, steering elements, cooling system parts, and rubber-to-metal components. Manufactured to OE-equivalent standards with IATF 16949 certification, SWAG products deliver dependable performance at a competitive price point. As a sister brand to febi bilstein, SWAG benefits from shared German engineering expertise and rigorous quality control processes.
Suitable cars
Equivalent products (6)
Bolt Exhaust System SWAG 40 91 7706 — compatible car models
| Car models | OPEL: ASCONA C Hatchback (J82), ASCONA C (J82), ASTRA F Convertible (T92), ASTRA F Estate (T92), ASTRA F Estate Van (T92), ASTRA F Hatchback (T92), ASTRA F Saloon (T92), ASTRA G Estate (T98), ASTRA G Hatchback (T98), ASTRA G Saloon (T98) (+19 more); VAUXHALL: ASTRA Mk III (F) Estate (T92) |
|---|---|
| Engines | 1.6 D (F68, M68); 1.6 D (F11, M11, F68, M68); 2.0 i; 1.6 (F35, M35); 1.7 D (F70); 1.6 (F08, M08, F68, M68); 1.6 (F19, M19); 1.7 TD (F35); 1.7 TD (F08, F48); 1.7 TD (F69); 2.0 i 16V 4x4 (M07); 2.0 i (52SUD2, 55SUD2); 1.7 D (C25, D25); 1.4 i; 1.4 i (C15, C35, D15, D35) (+14 more) |
| Year of manufacture | 1981-2009 |
| Manufacturer article number (MPN) | 40 91 7706 |
| OE part numbers | 004773370, 00850736, 04773370, 08 50 741, 090106924, 090412195, 090444058, 090466641, 090487069, 090501412, 090511150, 090511151, 092062030, 4773370, 850736, 8 50 741, 90106924, 90412195, 90444058, 90466641 (+5 more) |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
SWAG 40917706 . External Thread Size: M8 x 1,25. Length [mm]: 39 mm. Weight [kg]: 0,002 kg
- 1x Bolt Exhaust System
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 Bolt Exhaust System compatible with my car?
This Bolt Exhaust System fits OPEL, VAUXHALL 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 SWAG Bolt Exhaust System have?
This SWAG Bolt Exhaust System has the following specifications: Length [mm]: 39 mm; Weight [kg]: 0,002 kg; External Thread Size: M8 x 1,25. Check the full specifications table above for complete details.
What OE part numbers does this Bolt Exhaust System replace?
This Bolt Exhaust System replaces OE part numbers: 004773370, 00850736, 04773370, 08 50 741, 090106924, 090412195, 090444058, 090466641 and 17 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Bolt Exhaust System cost?
This SWAG Bolt Exhaust System is available for £0.99. Bolt Exhaust System prices vary depending on brand, specifications, and vehicle compatibility. SWAG parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Bolt Exhaust System?
Regular inspection of your Bolt Exhaust System 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 Bolt Exhaust System?
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 Bolt Exhaust System fitted by a professional mechanic.
Can I use this part as a replacement for OE 004773370?
Yes, this SWAG Bolt Exhaust System is a direct replacement for OE part number 004773370. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
