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
3903940 Current number — —
3920781 This page Hex Flange Head Cap Screw 3903940

Questions about 3920781

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

What is Cummins 3920781?
A genuine Cummins Hex Flange Head Cap Screw, supplied as an imported part. It weighs 0.16 kg; dimensions 4.1 × 4.5 × 4.5 cm (L × W × H). The same part is also listed as 392078100.
Is 3920781 the current part number?
No. 3920781 was superseded by 3903940. Both numbers fit the same position; ask for either in your quote.
How much is 3920781?
Our reference price is US$35 per piece for the genuine part. Prices move with the market; your quote confirms the price, stock and lead time.
Is there an aftermarket option for 3920781?
Yes. For 3920781 we can also supply an aftermarket replacement, usually priced below genuine. It is quoted separately and labelled as aftermarket, and we never substitute it without your agreement. Keep “Genuine or aftermarket” selected in the form below.
Where can I buy Cummins 3920781?
From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. 3920781 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 3920781 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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