Replacing your cold start thermostat in the injector pump?

You may also need to replace the seal ring as well.

We have a quality OEM unit available.


This part will suit MB Vehicles fitted with the following engines:-

  • M129 – 250SE & 250SL
  • M130 – 280SE & 280SL
  • M189 – 300SE, 300SEL, 300SEB


This part suits the part shown as no 85 in the diagram above


Original Part Nos:-



A002 997 38 40

002 997 38 40

002 997 3840




Don’t not pay over $250 for a genuine part. Our price only $75.00

Please check you have the correct part number for your vehicle.

Most parts available for W108, W111, W112, W113 & W189 Mercedes vehicles.


McStarparts – “Keeping classic Benz’s on the road.”

Mercedes M129, M130 & M189 Coldstart Thermostat Seal - 002 997 38 40, 0029973840

SKU: 002-997-38-40G
  • Lead time for this part is :- 10 - 12 working days

  • International buyers – please note: Import duties, taxes, and charges aren’t included in the item price or postage cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

"Keeping Classic Benz's On The Road"

Kevin McCarthy
+61 0418 634 080

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