DFEC Original Request a quote

Supersession history

All numbers below fit the same position. Ask for any of them; we confirm the current number before quoting.

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NumberNameSuperseded onReplaced by
4021678 Current number QSK19 CM850 T+r Kit China — —
4960448 QSK19 CM850 T+r Man China 24 August 2007 4021678

Questions about 4021678

Answers from our parts data. Ask anything else in your quote.

What is Cummins 4021678?
A genuine Cummins QSK19 CM850 T+r Kit China, supplied as an imported part. It weighs 3.646 kg; dimensions 29 × 23 × 14.5 cm (L × W × H). The same part is also listed as 402167800.
Is 4021678 the current part number?
Yes. 4021678 is the current number. It replaces 4960448 (superseded 24 August 2007). All fit the same position; we supply the current number.
How much is 4021678?
Our reference price is US$1,190 per piece for the genuine part. Prices move with the market; your quote confirms the price, stock and lead time.
Where can I buy Cummins 4021678?
From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. 4021678 is available to order. Send the number and quantity in the form below or on WhatsApp, and a person replies with price, availability and lead time.
Will 4021678 fit my engine?
The engine serial number (ESN) decides, not the engine model alone. Add your ESN to the request and we check fit before we quote.

Quote request

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List the part numbers and quantities you need. A person replies by email within one business day with price, availability and lead time.

If you have the engine serial number (ESN), add it. It lets us confirm the part fits before we quote.

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Part type

We quote genuine and, where we have one, an aftermarket option.

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