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Details
| Specification | Value |
|---|---|
| Brand | CASCO |
| MPN | cst40514as |
| Voltage [V] | 12 V |
| Rated Power [kW] | 4 kW |
| Manufacturer Restriction | DENSO |
| Manufacturer | CUMMINS |
OE numbers (2)
About this product
CASCO Starter (CST40514AS) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Voltage [V]: Zinc V, Number of Teeth: Brass, Rated Power [kW]: Copper kW, Manufacturer Restriction: DENSO, Rotation Direction: 0 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 012860, 106875, 20432415, 20432415BN and 33 more. Matching these numbers confirms a like-for-like replacement with no loss of function. CASCO 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.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (35)
Show all 35 OE numbers
Starter CASCO CST40514AS — compatible car models
| Manufacturer article number (MPN) | CST40514AS |
|---|---|
| OE part numbers | 3971603, 3971611 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
CASCO cst40514as Brand New HQ. Manufacturer: CUMMINS. Manufacturer Restriction: DENSO. Number of mounting bores: 3. Number of Teeth: 10. Rated Power [kW]: 4 kW. Rotation Direction: 0. Voltage [V]: 12 V
- 1x Starter
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 Starter 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 Starter fits. All fitment data is verified through TecDoc.
What specifications does this CASCO Starter have?
This CASCO Starter has the following specifications: Voltage [V]: 12 V; Number of Teeth: 10; Rated Power [kW]: 4 kW; Manufacturer Restriction: DENSO; Rotation Direction: 0; Number of mounting bores: 3. Check the full specifications table above for complete details.
What OE part numbers does this Starter replace?
This Starter replaces OE part numbers: 3971603, 3971611. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Starter cost?
Starter prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this CASCO Starter. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Starter?
Signs include clicking noise when turning the key, grinding sound during starting, intermittent starting issues, or the engine not cranking at all.
What tools do I need to replace a Starter?
Tools needed: socket set (10-17mm), ratchet with extension, battery terminal clamp remover, torque wrench. Difficulty: Moderate DIY. Safety warning: Disconnect the battery negative terminal first. The main cable to the starter carries full battery current -- accidental contact with bodywork will cause a severe short circuit and fire risk.
Can I use this part as a replacement for OE 3971603?
Yes, this CASCO Starter is a direct replacement for OE part number 3971603. 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.
