If you run Volvo VNL tractors or wrench on them for a living, you already know the Volvo VNL turbocharger is the single most expensive breathing component on the D13, and it fails in ways that will strand a driver 800 miles from home. Whether you’re chasing a P0299 underboost code, a whistling VGT, or a truck that won’t build power up a grade, the fix starts with knowing exactly which turbo your engine left the factory with. The D13 platform has gone through four major emissions generations since 2007, and the turbocharger, actuator, and VGT strategy changed with each one. Get the model year wrong and you’ll bolt on a unit that either won’t communicate with the ECM or won’t physically clamp to the exhaust manifold.
PT Turbo has been rebuilding and supplying heavy-duty turbochargers since 1978. Over 45 years in the business means we’ve seen every variant of the D13 turbo cross the bench, and we stock both new and remanufactured units for the entire VNL run. Here’s how to nail the right replacement by model year.
D13 Turbocharger by Model Year: What Changed and When
The Volvo D13 (and its Mack MP8 cousin) is a 12.8L inline-six that has carried Holset variable geometry turbochargers for most of its life, with Mitsubishi-actuated units appearing in specific configurations. The emissions timeline drives the hardware:
- 2007–2009 (EPA07): First-gen D13 with EGR and DPF. Holset HE400VG variable geometry turbo with a sliding-nozzle VGT cartridge. Early units used pneumatic actuation on some builds.
- 2010–2012 (EPA10): Addition of SCR (DEF) alongside EGR. The turbo carried over as a refined HE400VG with revised VGT calibration and, on many builds, electric smart actuation.
- 2013–2016 (GHG14): Efficiency-focused revisions, tighter turbo tolerances, and updated actuator control logic. VGT position feedback became more critical to fault diagnosis.
- 2017–present (D13TC): The turbo-compound D13TC adds a second turbine that recovers exhaust energy and feeds it back to the crankshaft through a gear train. This is a fundamentally different architecture. The primary VGT still handles boost, but the compounding stage changes part numbers and service procedures entirely.
The practical takeaway: a turbo pulled from a 2011 VNL will not correctly serve a 2018 D13TC, and vice versa. Always confirm the engine family and emissions year off the VIN and the ECM software level before ordering.
The VGT Actuator Is Usually the Real Problem
Here’s the mistake we see fleets make constantly: they condemn a perfectly good turbocharger because of an actuator or a stuck VGT mechanism. On the D13, the variable geometry vanes are what control boost across the RPM range, and they’re moved by either an electric smart actuator or a pneumatic actuator depending on the build. When those vanes gum up with soot or the actuator loses calibration, you get the classic symptoms: underboost codes, sluggish throttle response, excessive smoke, and derates.
Before you spend thousands on a complete turbo, verify the actuator. On pneumatically actuated Mitsubishi-style units, a failed actuator diaphragm or a leaking control line will mimic a dead turbo. The Mitsubishi Pneumatic Actuator 4918918935 is a direct replacement for these applications and is available from PT Turbo for $83.99, view the Mitsubishi Pneumatic Actuator 4918918935 here. Swapping a bad actuator instead of a whole turbo can save you well over a thousand dollars when the cartridge itself is still healthy.
How to tell the actuator from the turbo
- Actuator fault: Erratic VGT position feedback, actuator throwing communication or range codes, vanes that respond inconsistently to commanded position.
- VGT mechanism fault: Vanes physically seized with carbon, actuator commands full travel but boost doesn’t follow, audible sticking during rev.
- Bearing/cartridge fault: Shaft play you can feel by hand, oil in the compressor housing, blue smoke, whistling or grinding at speed.
Symptom Severity: Repair, Rebuild, or Replace
Not every turbo complaint means a new unit. Use this to triage before you pull the truck out of service:
| Symptom | Severity | Likely Fix |
|---|---|---|
| Intermittent underboost, no shaft play | Low | Clean VGT, replace actuator, recalibrate |
| Whistle under load, minor oil film | Moderate | Rebuild cartridge, reseal |
| Blue smoke, boost leak, DEF fouling | High | Reman or new turbo |
| Shaft grinding, wheel contact, oil starvation | Critical | Replace immediately, inspect oil supply |
If the center cartridge is worn but the housings are good, a professional turbocharger rebuild service restores the unit to spec at a fraction of new cost. We balance the rotating assembly to OEM tolerances and pressure test before it leaves the shop.
New vs. Remanufactured: What Makes Sense for a VNL
For a working VNL that has to earn its keep, the choice between new and remanufactured comes down to budget, downtime, and how many miles you plan to run the truck. Here’s the honest breakdown:
| Factor | New OEM | Remanufactured |
|---|---|---|
| Cost | Highest | 30–50% less |
| Warranty | Full factory | Full reman warranty |
| Lead time | Often backordered | Usually in stock |
| Fit & performance | Exact | Restored to OEM spec |
| Best for | New-truck resale, warranty fleets | High-mileage trucks, cost-conscious owner-operators |
A quality reman unit uses new bearings, seals, and a rebalanced rotating group, and it holds boost just as well as new. For most VNL owners running the D13 past 500,000 miles, a remanufactured turbocharger is the smart money. You can also shop all turbos to match your exact part number.
Replacement Best Practices for the D13
Bolting on a turbo without addressing why the old one died is how you burn through two units in a year. Follow these steps every time:
- Diagnose the oil supply. D13 turbo failures are frequently oil-related. Check the feed line for restriction and the drain for coking. Replace both lines if they show carbon buildup.
- Inspect the EGR and charge air system. A clogged DPF or leaking charge air cooler creates back pressure that shortens turbo life. Fix the root cause.
- Prime the new turbo. Before starting, crank with the fuel disabled or pre-fill the oil feed so the bearings aren’t running dry on first start.
- Clean the VGT calibration. After install, run the VGT actuator calibration with your diagnostic tool so the ECM learns the new position range.
- Verify with a boost test. Confirm the unit builds commanded boost across the RPM band before returning the truck to service.
If you’re cross-shopping turbo platforms across your fleet, our other application guides are worth a read: the Cummins ISB 5.9L HX35 vs HE341VE guide, the Cummins ISL HE400WG guide, the Cummins QSB guide, and the Caterpillar C9 BorgWarner S200 guide.
Getting the Right Part the First Time
The fastest way to avoid a wrong-turbo return is to have your VIN, engine serial number, and current turbo casting numbers in hand before you order. The D13 changed enough between EPA07, EPA10, GHG14, and the D13TC that a casting number is worth more than a model year alone. Our team cross-references OEM Volvo and Holset numbers daily and stocks both new and remanufactured options for the full VNL range. If you’re unsure which unit fits, contact PT Turbo with your numbers and we’ll confirm the exact match.
Frequently Asked Questions
Can I replace
Cross-Reference & Superseded Part Numbers
The turbochargers covered in this article match or supersede the following OEM and manufacturer part numbers. If you are searching by part number, these are the units stocked by PT Turbo for this application:
172-784-0008 • 172-784-0043 • 172-784-0095 • 172-784-0101 • 172-784-0447 • 172-784-0448 • 178874 • 4027298H • 4034111 • 4034112 • 4034114 • 4034207H • 4034214H • 4034324H • 4034326H • 4034328H • 4034453H • 4034456H • 4034459H • 445963-0040 • 445963-151 • 448734-5 • 4918918935 • 4937717991 • 49S3118651 • 49S3118761 • 49S8908506 • 53269886091 • 53269886094 • 53269886290 • 53269886492 • 53269886496 • 53269886497 • 53269886750 • 53269886751 • 53269887200 • 53269987105 • 53269987700 • 53279886491 • 53279886798 • 53279886800 • 53279887090 • 53279986531 • 53279986723 • 53279986745 • 53279986786 • 53279987194 • 53279987500 • 53279987501 • 53289886490 • 53299986913 • 53299986914 • 53299986922 • 53319986719 • 53319987122 • 53319987130 • 53369886785 • 5457506H • 5499741H • 5499741HX • 5499748H • 5499748HX • 56209880006 • 56209880007 • 56209880014 • 56209880017 • 56209880023 • 56509880000 • 709197-5010S • 712922-5006S • 712922-5018S • 712922-5019S • 757979-0002 • 757979-5102 • 773326-0001 • 812080-0001 • B58CND-S0066C • F41CAD-S0083B • JT10523 • JTC11070 • JTC11076 • JTC11095 • JTC11137 • JTC11142 • JTC11146 • JTC11151 • JTC11170 • JTC11186 • JTC11212 • JTC11232 • JTC11233 • JTC11272 • JTC11283 • JTC11288 • JTC11306 • JTC11307 • JTC11379 • JTC11381 • JTC11523 • JTC11637 • JTC11888 • JTC11927 • JTC11928 • JTC12149 • JTC12159 • JTC12172 • JTC12388 • PTT-C30-004 • PTT-C30-020 • PTT-C30-025 • PTT-FIE-006 • PTT-FIE-009 • PTT-FIE-025 • PTT-FIE-026 • PTT-FOC-012 • PTT-FOC-036 • PTT-HGC-069 • PTT-HSG-405 • PTT-MS3-002 • PTT-MS3-003 • PTT-MS3-012 • PTT-MS3-038 • PTT-MUS-001 • PTT-MUS-002 • PTT-MUS-005 • PTT-S60-002 • PTT-SR2-002 • PTT-STC-001 • PTT-STC-008 • PTT-SUB-100 • PTT-TBO-002 • PTT-TBO-003 • PTT-TBO-006 • PTT-TBO-022 • PTT-TBO-026 • PTT-TBO-036 • PTT-TBO-067 • PTT-TBO-107 • PTT-TBO-345 • PTT-TBO-450 • PTT-TBO-490 • PTT-TBO-591 • PTT-TBO-602 • PTT-TBO-752 • PTT-TBO-763 • PTT-TBO-769 • PTT-TBO-770 • PTT-TBO-795 • PTT-TBO-817 • PTT-TBO-818 • PTT-TBO-826 • PTT-TBO-828 • PTT-TBO-840 • PTT-TBO-846 • PTT-TBO-847 • PTT-TBO-849 • PTT-TBO-851 • PTT-TBO-889 • PTT-TBO-899 • PTT-TBO-911 • PTT-TBO-965 • PTT-TBO-966 • PTT-TBO-967 • PTT-TBO-B35 • PTT-TBO-C15 • PTT-TBO-F84 • PTT-TBO-J22 • PTT-TBO-J24 • PTT-TBO-J25 • PTT-TBO-J28 • PTT-TBO-J29 • PTT-TBO-J30 • PTT-TBO-J45 • PTT-TBO-J57 • PTT-TBO-J58 • PTT-TBO-J59 • PTT-TBO-N21 • PTT-TBO-N23 • PTT-TBO-N24 • PTT-TBO-R94 • PTT-TBO-R95 • PTT-VEVO-026 • PTT-VEVO-028 • PTT-VEVO-189 • PTT-VSRT-007 • PTT-VVW-004 • PTT-VVW-042 • PTT-VVW-068 • PTT-VVW-270 • PTT-VVW-327 • PTT-WGT-019 • PTT-WGT-032 • PTT-WGT-093 • PTT-WGT-103 • TIL-BOV-007 • TIL-WGT-035 • stock+location+fsi/tsi+option+3
Can’t find your number above? Contact PT Turbo — our team has been matching part numbers since 1978.
Cross-Reference & Superseded Part Numbers
The turbochargers covered in this article match or supersede the following OEM and manufacturer part numbers. If you are searching by part number, these are the units stocked by PT Turbo for this application:
172-784-0008 • 172-784-0043 • 172-784-0095 • 172-784-0101 • 172-784-0447 • 172-784-0448 • 178874 • 4027298H • 4034111 • 4034112 • 4034114 • 4034207H • 4034214H • 4034324H • 4034326H • 4034328H • 4034453H • 4034456H • 4034459H • 445963-0040 • 445963-151 • 448734-5 • 4918918935 • 4937717991 • 49S3118651 • 49S3118761 • 49S8908506 • 53269886091 • 53269886094 • 53269886290 • 53269886492 • 53269886496 • 53269886497 • 53269886750 • 53269886751 • 53269887200 • 53269987105 • 53269987700 • 53279886491 • 53279886798 • 53279886800 • 53279887090 • 53279986531 • 53279986723 • 53279986745 • 53279986786 • 53279987194 • 53279987500 • 53279987501 • 53289886490 • 53299986913 • 53299986914 • 53299986922 • 53319986719 • 53319987122 • 53319987130 • 53369886785 • 5457506H • 5499741H • 5499741HX • 5499748H • 5499748HX • 56209880006 • 56209880007 • 56209880014 • 56209880017 • 56209880023 • 56509880000 • 709197-5010S • 712922-5006S • 712922-5018S • 712922-5019S • 757979-0002 • 757979-5102 • 773326-0001 • 812080-0001 • B58CND-S0066C • F41CAD-S0083B • JT10523 • JTC11070 • JTC11076 • JTC11095 • JTC11137 • JTC11142 • JTC11146 • JTC11151 • JTC11170 • JTC11186 • JTC11212 • JTC11232 • JTC11233 • JTC11272 • JTC11283 • JTC11288 • JTC11306 • JTC11307 • JTC11379 • JTC11381 • JTC11523 • JTC11637 • JTC11888 • JTC11927 • JTC11928 • JTC12149 • JTC12159 • JTC12172 • JTC12388 • PTT-C30-004 • PTT-C30-020 • PTT-C30-025 • PTT-FIE-006 • PTT-FIE-009 • PTT-FIE-025 • PTT-FIE-026 • PTT-FOC-012 • PTT-FOC-036 • PTT-HGC-069 • PTT-HSG-405 • PTT-MS3-002 • PTT-MS3-003 • PTT-MS3-012 • PTT-MS3-038 • PTT-MUS-001 • PTT-MUS-002 • PTT-MUS-005 • PTT-S60-002 • PTT-SR2-002 • PTT-STC-001 • PTT-STC-008 • PTT-SUB-100 • PTT-TBO-002 • PTT-TBO-003 • PTT-TBO-006 • PTT-TBO-022 • PTT-TBO-026 • PTT-TBO-036 • PTT-TBO-067 • PTT-TBO-107 • PTT-TBO-345 • PTT-TBO-450 • PTT-TBO-490 • PTT-TBO-591 • PTT-TBO-602 • PTT-TBO-752 • PTT-TBO-763 • PTT-TBO-769 • PTT-TBO-770 • PTT-TBO-795 • PTT-TBO-817 • PTT-TBO-818 • PTT-TBO-826 • PTT-TBO-828 • PTT-TBO-840 • PTT-TBO-846 • PTT-TBO-847 • PTT-TBO-849 • PTT-TBO-851 • PTT-TBO-889 • PTT-TBO-899 • PTT-TBO-911 • PTT-TBO-965 • PTT-TBO-966 • PTT-TBO-967 • PTT-TBO-B35 • PTT-TBO-C15 • PTT-TBO-F84 • PTT-TBO-J22 • PTT-TBO-J24 • PTT-TBO-J25 • PTT-TBO-J28 • PTT-TBO-J29 • PTT-TBO-J30 • PTT-TBO-J45 • PTT-TBO-J57 • PTT-TBO-J58 • PTT-TBO-J59 • PTT-TBO-N21 • PTT-TBO-N23 • PTT-TBO-N24 • PTT-TBO-R94 • PTT-TBO-R95 • PTT-VEVO-026 • PTT-VEVO-028 • PTT-VEVO-189 • PTT-VSRT-007 • PTT-VVW-004 • PTT-VVW-042 • PTT-VVW-068 • PTT-VVW-270 • PTT-VVW-327 • PTT-WGT-019 • PTT-WGT-032 • PTT-WGT-093 • PTT-WGT-103 • TIL-BOV-007 • TIL-WGT-035 • stock+location+fsi/tsi+option+3
Can’t find your number above? Contact PT Turbo — our team has been matching part numbers since 1978.
Further reading: Learn more about turbocharger technology.
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📞 (909) 824-1020 · 346 S I St. #3, San Bernardino, CA 92410 · [email protected]