What is Cummins 4021951?

A genuine Cummins ISX/QSX Elec.con.kit Chi, supplied as an imported part. It weighs 3.868 kg; dimensions 21 × 9 × 28 cm (L × W × H). The same part is also listed as 402195100.

Is 4021951 the current part number?

Yes. 4021951 is the current number. It replaces 3666540 (superseded 19 December 2007). All fit the same position; we supply the current number.

Our reference price is US$1,650 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 4021951?

From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. 4021951 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 4021951 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.

4021951Cummins ISX/QSX Elec.con.kit Chi

Replaces 3666540.

Reference price

US$1,650per piece

Prices move with the market and are updated regularly.

Based on genuine Cummins parts. Your quote confirms the current price, shipping and lead time.

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Answered within one business day

Part number: 4021951
Other numbers: 402195100
Weight: 3.868 kg
Dimensions (L × W × H): 21 × 9 × 28 cm
Part type: Other parts
Origin: Imported
Availability: Available to order
Replaces: 3666540

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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Number	Name	Superseded on	Replaced by
4021951 Current number	ISX/QSX Elec.con.kit Chi	—	—
3666540	ISX/QSX Ele Cont T+r Chi	19 December 2007	4021951

How Cummins supersessions work

Questions about 4021951

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

What is Cummins 4021951?: A genuine Cummins ISX/QSX Elec.con.kit Chi, supplied as an imported part. It weighs 3.868 kg; dimensions 21 × 9 × 28 cm (L × W × H). The same part is also listed as 402195100.
Is 4021951 the current part number?: Yes. 4021951 is the current number. It replaces 3666540 (superseded 19 December 2007). All fit the same position; we supply the current number.
How much is 4021951?: Our reference price is US$1,650 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 4021951?: From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. 4021951 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 4021951 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

Request a quote

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

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