- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | DAYCO |
| MPN | ktc1121 |
| Weight [kg] | 3.2 kg |
OE part numbers
No OEM references found.
What's in the kit
This kit ships with 10 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | TCH1004 | Timing Chain
| 1 |
| 2 | GTC1009-S | Tensioner Guide, timing chain | 1 |
| 3 | GTC1010-S | Tensioner Guide, timing chain | 1 |
| 4 | GTC1008-S | Tensioner Guide, timing chain | 1 |
| 5 | STC1008-S | Gear, main shaft | 2 |
| 6 | STC1007-S | Gear, main shaft | 1 |
| 7 | ATC1057-S | Tensioner, timing chain | 1 |
| 8 | V0169 | Gasket, timing case cover | 1 |
| 9 | V0168 | Washer | 1 |
| 10 | V0170 | Shaft Seal, crankshaft | 1 |
About this product
The DAYCO Timing Chain Kit (KTC1121) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Weight [kg]: Cast Iron, Aluminium kg. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. 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: 40949409, 49409, KHC034M, SKCO004 and 1 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DAYCO is a recognised supplier of automotive engine timing 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 DAYCO
Dayco, founded in 1905 in Dayton, Ohio, USA, is a global leader in engine belt drive systems and power transmission products. Dayco specialises in timing belts, serpentine belts, tensioners, idler pulleys, and water pumps. As an OE supplier to major manufacturers including Fiat, Ford, General Motors, and Volkswagen, Dayco products meet exact factory specifications. With over a century of belt technology expertise and advanced polymer engineering, Dayco delivers reliable, long-lasting belt drive components trusted by professionals worldwide.
Suitable cars
Equivalent products (5)
Timing Chain Kit DAYCO KTC1121 — compatible car models
| Car models | OPEL: ASTRA H (A04), ASTRA H CLASSIC Estate (A04), ASTRA H CLASSIC Hatchback (A04), ASTRA H Estate (A04), ASTRA H Estate Van (L70), ASTRA H GTC (A04), ASTRA H Saloon (A04), COMBO Box Body/MPV, COMBO Tour, CORSA C Hatchback Van (X01) (+5 more); VAUXHALL: ASTRA Mk V (H) (A04), ASTRA Mk V (H) Estate (A04), ASTRA Mk V (H) Sport Hatch (A04), ASTRAVAN Mk V (H) Estate Van (A04), COMBO Mk II (C) Box Body/MPV (F25), COMBO TOUR Mk II (C) (F25), CORSA Mk II (C) (X01), CORSA Mk III (D) (S07), CORSAVAN Mk II (C) Hatchback Van (X01), CORSAVAN Mk III (D) Hatchback Van (S07) (+2 more) |
|---|---|
| Engines | 1.4 (L48); 1.4 (L35); 1.4 EcoTec (L70); 1.4 (L08); 1.4 (L69); 1.4 16V; 1.4; 1.4 (W5L, F08); 1.4 Twinport (F08, F68); 1.2 (L08); 1.2 (L08, L68); 1.4 16V Twinport (E75); 1.4 (R97); 1.4 i 16V (L08); 1.4 i (+4 more) |
| Year of manufacture | 2000-2015 |
| Manufacturer article number (MPN) | KTC1121 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DAYCO ktc1121 . Weight [kg]: 3,2 kg
- 1x Timing Chain Kit
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 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 Timing Chain Kit compatible with my car?
This Timing Chain Kit 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 DAYCO Timing Chain Kit have?
This DAYCO Timing Chain Kit has the following specifications: Weight [kg]: 3,2 kg. Check the full specifications table above for complete details.
How much does a Timing Chain Kit cost?
This DAYCO Timing Chain Kit is available for £87.99. Timing Chain Kit prices vary depending on brand, specifications, and vehicle compatibility. DAYCO parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Timing Chain Kit?
Replace the full kit — chain, tensioner, guides, and sprockets — when any one component shows wear. A rattling chain on startup, stretched links measured beyond spec, or oil pressure-related tensioner faults are all indicators.
What tools do I need to replace a Timing Chain Kit?
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 Timing Chain Kit fitted by a professional mechanic.
Is the DAYCO KTC1121 the same as the DAYCO KTC1000?
No, while both are Timing Chain Kit parts, they are different products. The DAYCO KTC1121 has Weight [kg]: 3,2 kg. The DAYCO KTC1000 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
