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.

Request a quote
NumberNameSuperseded onReplaced by
4386023X Current number Bypass Valve Plunger — —
3820320X This page Bypass Valve Plunger 20 September 2019 4386023X

Questions about 3820320X

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

What is Cummins 3820320X?
A genuine Cummins Bypass Valve Plunger. Origin: XCEC. It weighs 0.011 kg; dimensions 2 × 2.5 × 2 cm (L × W × H).
Is 3820320X the current part number?
No. 3820320X was superseded by 4386023X on 20 September 2019. Both numbers fit the same position; ask for either in your quote.
How much is 3820320X?
Our reference price is US$5 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 3820320X?
From DFEC, a Cummins parts dealer in Shiyan, Hubei, China. Send the number and quantity in the form below or on WhatsApp, and a person replies with price, availability and lead time.
Will 3820320X 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.

Fields marked are required.

Part type

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

Add the engine serial number or a message
Send this list on WhatsApp

We reply within one business day with price, availability and lead time.

We use these details only to answer your request. See our privacy notice.