Warm-up regulator repair & overhaul – Bosch K-Jetronic – fixed price incl. return shipping
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Your warm-up regulator, fully overhauled. You send in your Bosch warm-up regulator (K-Jetronic), we overhaul it for a fixed price – your genuine part with the part number matching your vehicle is retained.
€400 fixed price · Return shipping included · 5-year warranty
| Service | Scope |
|---|---|
| Work performed | Disassembly, cleaning, refurbishing of the housing surface (like-new look), new diaphragm & seals (branded repair kit), new heating element if needed, reassembly, function test |
| Types | With and without vacuum – for vacuum regulators, the vacuum diaphragm is always renewed as well |
| Fixed price | €400 incl. return shipping within Germany |
| Warranty | 5 years on the overhaul performed |
| Processing time | Usually a few business days after receipt |
| Fits | All Bosch warm-up regulators 0 438 140 … (K-Jetronic) – Mercedes, Porsche, VW, Audi, Volvo and many more. |
How it works
- Book the repair here – you'll receive the return address with your order confirmation by e-mail.
- Send in the warm-up regulator well packaged (removal: 2 fuel lines, connector, 2 screws).
- We fully overhaul your regulator and get in touch if we have questions.
- Return shipping is included in the price – fit the regulator, done.
Why repair instead of replace?
Bosch no longer supplies new warm-up regulators. With the repair, your genuine part with the part number matching your vehicle is retained – important for the originality and value retention of your classic car. The refurbished surface also makes the regulator a showpiece again in the engine bay.
Prefer to swap it out right away instead of waiting?
We also have refurbished warm-up regulators ready in stock – with a 5-year warranty: View all warm-up regulators.
Not sure if your regulator is defective? Symptoms and test steps in the guide: Warm-up regulator defective? Symptoms, testing and solution
FAQ
What warranty is there on the repair?
5-year warranty on the overhaul performed. If anything happens with the overhauled regulator within this time, send it back in – we'll take care of it.
What does the repair cost?
€400 fixed price including return shipping within Germany. There are no additional costs for the repair kit or heating element.
How long does it take?
Usually a few business days after your regulator is received. We'll get in touch beforehand if we have questions.
Which regulators can you overhaul?
All Bosch warm-up regulators of the 0 438 140 … series from the K-Jetronic – with and without vacuum. For vacuum regulators, the vacuum diaphragm is always renewed as well.
Questions beforehand? Call us: 0179 8991069 (Mon–Fri 8am–6pm) or write to thot.kfzteile@gmail.com.
KFZTeile-Thot specializes in spare parts for Mercedes classic cars and classics – with in-house refurbishment for Bosch K-Jetronic components.
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