OEM lookup

OEM 2123991

Name: DAF OEM 2123991 lookup
Brand: DAF / PACCAR
SKU: 2123991

This exact OEM landing page is grouped with 1944459 · BPV / exhaust back pressure valve 1944459. Use it for number-only searches, then open the full component page for detailed symptoms, fault codes and fitment.

Searched number

2123991

Possible matches

Canonical strategy

Self-canonical OEM lookup page

Matched component families

This is the matched report group.

Back pressure valve Exhaust back pressure valve

1944459 · BPV / exhaust back pressure valve 1944459

Back pressure valve report group for MX-11/MX-13 Euro 6 applications. The same OEM number appears in turbo reports too, so this page deliberately exposes the ambiguity and asks users to verify by VIN or photo.

Full page

Defect symptoms

Distinct lack of power under load
Severe hesitation during acceleration
Engine protection or torque limitation active
Poor warm-up from cold
Loss of secondary engine braking

Fault codes

P101E P1020 P1024 P1025 P1052 P1496 P3914 U1579

Other numbers in this group

1944459 1959915 3781185 3791936 3791939 3792555 3792559 4031045 5330077 5355092 2210375 1856755 +5 more

Fitment

Trucks and engines linked to OEM 2123991

Reported DAF applications for the matched component group. Use as a starting point and confirm by VIN before ordering.

Truck model	Engine	Years	Power (hp)
XF 106	MX-11 Euro 6	2013-2023	320-440
XF 106	MX-13 Euro 6	2013-2023	410-530
CF 480	MX-13 Euro 6	2013-2023	480

For support teams

How to use this OEM lookup

Start with the exact OEM number, including suffixes such as PE, RN, RX or H.
Check whether the page shows one match or multiple possible matches.
Confirm by VIN, engine family, truck model, connector and physical part photos.
Use symptoms and fault codes to decide whether the part is likely the root cause or only a secondary fault.

Need confirmation?

Send the number with photos

For duplicated reports, a photo of the label, connector side and installed location avoids ordering the wrong BPV, EGR, turbo or solenoid part.

Request verification

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