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Details
| Specification | Value |
|---|---|
| Brand | DT Spare Parts |
| MPN | 1.21340 |
| Height [mm] | 36 mm |
| Belt Pulley Ø [mm] | 76 mm |
| Inner Diameter 1 [mm] | 17 mm |
| Inner Diameter 2 [mm] | 40 mm |
| Net Weight [g] | 637 g |
OE numbers (1)
Search by this OE number to find compatible parts
- SCANIA—333653
About this product
When belt pulley alternator performance matters, the DT Spare Parts 1.21340 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: for OE number: 333653, Height [mm]: 36 mm, Belt Pulley Ø [mm]: 76 mm, Inner Diameter 1 [mm]: Fibreglass mm, Inner Diameter 2 [mm]: 40 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 003347, 040.482, 17164, 333653 and 4 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DT Spare Parts 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.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (9)
Belt Pulley Alternator DT Spare Parts 1.21340 — compatible car models
| Manufacturer article number (MPN) | 1.21340 |
|---|---|
| OE part numbers | 333653 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DT Spare Parts 1.21340 . Belt Pulley Ø [mm]: 76 mm. for OE number: 333653. Guarantee: 2. Height [mm]: 36 mm. Inner Diameter 1 [mm]: 17 mm. Inner Diameter 2 [mm]: 40 mm. Net Weight [g]: 637 g. Number of grooves: 2
- 1x Belt Pulley Alternator
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 Belt Pulley Alternator compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Belt Pulley Alternator fits. All fitment data is verified through TecDoc.
What specifications does this DT Spare Parts Belt Pulley Alternator have?
This DT Spare Parts Belt Pulley Alternator has the following specifications: for OE number: 333653; Height [mm]: 36 mm; Belt Pulley Ø [mm]: 76 mm; Inner Diameter 1 [mm]: 17 mm; Inner Diameter 2 [mm]: 40 mm; Guarantee: 2. Check the full specifications table above for complete details.
What OE part numbers does this Belt Pulley Alternator replace?
This Belt Pulley Alternator replaces OE part numbers: 333653. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Belt Pulley Alternator cost?
This DT Spare Parts Belt Pulley Alternator is available for £86.99. Belt Pulley Alternator prices vary depending on brand, specifications, and vehicle compatibility. DT Spare Parts parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Belt Pulley Alternator?
Regular inspection of your Belt Pulley Alternator 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 Belt Pulley Alternator?
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 Belt Pulley Alternator fitted by a professional mechanic.
Can I use this part as a replacement for OE 333653?
Yes, this DT Spare Parts Belt Pulley Alternator is a direct replacement for OE part number 333653. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
