What is Cummins 4021389?

A genuine Cummins Ind B3.9 & 5.9 O/M Manual, supplied as an imported part. It weighs 0.538 kg; dimensions 28 × 22 × 2 cm (L × W × H). The same part is also listed as 402138900.

Is 4021389 the current part number?

Yes. 4021389 is the current number. It replaces 3810208 (superseded 7 February 2006). All fit the same position; we supply the current number.

Our reference price is US$250 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 4021389?

From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. 4021389 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 4021389 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.

4021389Cummins Ind B3.9 & 5.9 O/M Manual

Replaces 3810208.

Reference price

US$250per 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: 4021389
Other numbers: 402138900
Weight: 0.538 kg
Dimensions (L × W × H): 28 × 22 × 2 cm
Part type: Other parts
Origin: Imported
Availability: Available to order
Replaces: 3810208

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Number	Name	Superseded on	Replaced by
4021389 Current number	Ind B3.9 & 5.9 O/M Manual	—	—
3810208	O/M Manual	7 February 2006	4021389

How Cummins supersessions work

Questions about 4021389

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

What is Cummins 4021389?: A genuine Cummins Ind B3.9 & 5.9 O/M Manual, supplied as an imported part. It weighs 0.538 kg; dimensions 28 × 22 × 2 cm (L × W × H). The same part is also listed as 402138900.
Is 4021389 the current part number?: Yes. 4021389 is the current number. It replaces 3810208 (superseded 7 February 2006). All fit the same position; we supply the current number.
How much is 4021389?: Our reference price is US$250 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 4021389?: From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. 4021389 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 4021389 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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