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Upper Engine Timing Chain Guide for Mercedes-Benz 200D 240D 300CD 300D 300TD

Upper Engine Timing Chain Guide for Mercedes-Benz 200D 240D 300CD 300D 300TD

Best price now

$5.25at JoeTLCChecked 1 h ago

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Price facts

  • Lowest price today: $5.25 at JoeTLC (checked Nov 15, 2026).

Our take on the Upper Engine Timing Chain Guide for Mercedes-Benz 200D 240D 300CD 300D 300TD

This is the upper timing chain guide for Mercedes-Benz diesel engines, the plastic rail that keeps the chain on its path at the top of the engine. It fits the 200D, 240D, 300CD, 300D and 300TD from the late 1960s through 1985. It is a single replacement part, not a kit. Owners of these W123 and W115 diesels replace the guide when the chain starts to rattle or the original plastic becomes brittle with age.

Best forW123 and W115 diesel owners doing timing chain serviceRestoring a 240D or 300D with a noisy or worn chainPreventive replacement on a high-mileage OM616 or OM617
Pros
  • Direct replacement for the upper chain guide
  • Covers a wide span of diesel models and years
  • Simple single part for a common wear item
  • Cheap insurance against chain and valve damage
Cons
  • Sold individually, so other guides and the chain are separate
  • No hardware or gaskets included
  • Fitment varies by year and model, so the table must be checked
  • Plastic part, so quality varies between suppliers

Upper Engine Timing Chain Guide for Mercedes-Benz 200D 240D 300CD 300D 300TD prices at every store

  • JoeTLCNew

    In stockReturn policy

    $5.25Checked 1 h ago
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About the Upper Engine Timing Chain Guide for Mercedes-Benz 200D 240D 300CD 300D 300TD

This is a replacement upper engine timing chain guide for select Mercedes-Benz diesel models. It is sold individually.

It fits the 200D, 240D, 300CD, 300D and 300TD, across the model years listed below. Check that it fits your vehicle before ordering.

Part
Upper engine timing chain guide
Quantity
Sold individually
Make
Mercedes-Benz
200D
1968–1973, all engines
240D
1975–1983, all engines
300CD
1978–1981 and 1983–1985, all engines
300D
1983–1985, all engines
300TD
1983–1985, all engines

Questions and answers

Which models does this upper timing chain guide fit?
It lists the 200D (1968–1973), 240D (1975–1983), 300CD (1978–1981 and 1983–1985), 300D (1983–1985) and 300TD (1983–1985). All are listed for the upper position.
Is this the upper or lower guide?
This is the upper guide only. The lower guide and the chain tensioner are separate parts.
Does it come with bolts or gaskets?
No. It is sold as the guide alone, so reuse or order the mounting hardware and any gaskets separately.
When should the timing chain guide be replaced?
Replace it when the chain rattles at startup or the guide shows cracks or wear. On these diesels the plastic guides age and can fail before the chain itself does.
Will it fit my 300SD or 300SDL?
Those models are not in the application table. Check the fitment for your exact year and engine before ordering.
Where is the Upper Engine Timing Chain Guide for Mercedes-Benz 200D 240D 300CD 300D 300TD cheapest?
At JoeTLC, for $5.25, as of our latest check.

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