OEM lookup

OEM 3791939

Name: DAF OEM 3791939 lookup
Brand: Holset
SKU: 3791939

This OEM number appears in 2 component report groups. Compare the matches below and verify by VIN or photos before ordering.

Searched number

3791939

Possible matches

Canonical strategy

Self-canonical OEM lookup page

Duplicate OEM report detected

Do not auto-quote this number from the OEM alone. Ask for a VIN, truck model, engine, connector photo and part photo so the support team can choose the correct match.

Matched component families

Choose the correct report group.

Turbocharger Variable geometry turbocharger

1959915 · HE500VG turbo, MX-13 Euro 6

HE500VG turbo group for high-output DAF MX-13 Euro 6 trucks. The reports repeatedly connect these OEM numbers with VGT actuator mismatch, soot-bound vanes, bearing wear and smoke complaints.

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Defect symptoms

Significant power loss above 1100 rpm
Dead pedal feel off the line with poor boost build
Whining, screaming or siren-type turbo noise under load
Heavy black smoke under acceleration
Blue smoke after idle or during throttle blip

Fault codes

P0045 P0046 P0049 P0299 P2562 P2563 P2579 P2580 P2581 U1159

Other numbers in this group

1959915 1944459 1901518 1907280 2047386 2422406 3781185 3781187 3783794 3788164 3791936 3791939 +9 more

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.

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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 3791939

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

Truck model	Engine	Years	Power (hp)
XF 106	MX-13 Euro 6	2013-2018	460-510
CF 85	MX-13 Euro 6	2013-2017	460-510
CF 480	MX-13 Euro 6	2013-2023	480
XF 106	MX-11 Euro 6	2013-2023	320-440
XF 106	MX-13 Euro 6	2013-2023	410-530

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.

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