Remanufactured Holset HE451VE variable-geometry turbocharger with actuator for EPA10 Cummins ISX15 engines. Built and validated to OE specification, this is the exchange unit that gets a Class 8 truck back to pulling grades without the new-OE price. We confirm the exact turbo for your truck from the engine serial number before it ships.
| Part number | AP90924 |
| Brand | Alliant Power (Holset HE451VE) |
| Condition | Remanufactured, with calibrated VGT actuator |
| Application | Cummins ISX 15.0L, EPA10 emissions level — Class 8 on-highway trucks |
| Warranty | 2-year Alliant Power warranty |
| Core charge | Refundable $1,275 core deposit, refunded when we receive your rebuildable core |
Vehicle & Equipment Fitment
| Years | Vehicle / Equipment | Engine | Notes |
|---|---|---|---|
| 2010–2013 | Freightliner Cascadia | Cummins ISX15 (EPA10) | OE exchange 5502825RX |
| 2010–2013 | Kenworth T680 / T800 / W900 | Cummins ISX15 (EPA10) | ISX15-equipped chassis |
| 2010–2013 | Peterbilt 579 / 587 / 389 / 386 | Cummins ISX15 (EPA10) | ISX15-equipped chassis |
| 2010–2013 | Western Star 4900/5700, International ProStar, Volvo VNL | Cummins ISX15 (EPA10) | Where the ISX15 was the ordered engine |
The chassis above are where EPA10 ISX15 engines commonly landed — they are a finding aid, not a fitment guarantee. Class 8 trucks share engines across brands and the same truck could be ordered with several turbo variants, so the engine serial number is what actually confirms fitment. Call 530-668-0818 with your ESN and we will verify the exact unit free before it ships.
Fits / Applications
- Cummins ISX15 (EPA10) heavy-duty on-highway engines
- Replaces OE exchange number 5502825RX
- VGT actuator included and calibrated to the turbo — no separate programming trip
Cross Reference: Part Numbers This Covers
5502825RX · HE451VE
Why do I see this turbo cheaper online?
Short answer: it is usually not the same part — and a turbo failure feeds the engine. Read why ↓
Search any OE number and eBay, Amazon and a dozen storefronts will show it well under dealer cost, sold by outfits with no name, no address and no phone number. We lose business to those listings every week — and we see a lot of them come back through our shop. Here is what is actually different.
- The part number proves nothing on its own. Counterfeit injectors and pumps are stamped with the same OE numbers as the real thing, in housings cast to look identical. The number in the listing title tells you what the seller claims it is, not what came off an OE line.
- “Remanufactured” is not a regulated word. A genuine reman unit is stripped to bare components, has its wear parts replaced — nozzle, plunger and barrel, solenoid, seals — and is then run on a calibration bench until it meets the original flow and response spec. A cheap one is very often cleaned, resealed, painted and shipped. Both get called remanufactured.
- No full teardown, so no idea what is worn. A proper rebuild means the unit comes apart completely and every part gets inspected and measured against spec — not just the ones that are obviously bad. Skip the teardown and you are reusing worn internals inside a freshly painted housing. It will run on the truck. It will not last.
- No factory-spec bench load testing. A unit is not finished until it has been run under load on a test bench and made its numbers across the range, not just at one easy point. That bench time is most of what you are paying for. Sellers working on price cut it first, because nobody can see it in a photo.
- The warranty has to be honored by someone. Everything we remanufacture in house carries a one-year warranty, with 30 days on electrical components. Parts we supply as an authorized dealer carry the manufacturer’s own warranty. Either way you call us, a real shop in California, and we sort it out. A marketplace warranty usually means shipping the part overseas at your own cost and hoping for a reply.
- No core program. We credit your rebuildable core back in full. Discount sellers generally will not take one, so the gap narrows the moment you account for the core you are now stuck holding.
- A turbo failure feeds the engine. When a bargain turbo lets go it can put oil and debris straight into the intake. What starts as a turbo you saved a few hundred on turns into an engine conversation. Balance and clearance data are not optional on a rotating assembly spinning past 100,000 rpm.
We are an authorized dealer and a working fuel-injection shop — we have been rebuilding and testing this hardware in Woodland since 1993, and the people who answer the phone are the people who run the benches. Not sure this is the right part for your engine? Call us with your serial number before you order and we will confirm it. Send your rebuildable core back and the core charge is refunded. And if a price somewhere else looks too good, call 530-668-0818 and we will tell you straight whether it is a deal or a problem.
Why Buy From Valley Fuel Injection
We are a diesel fuel-injection and turbocharger shop in Woodland, CA — rebuilding pumps, injectors and turbos on our own benches since 1993 — not a drop-ship storefront. When you call, you talk to the people who test these units. Not sure which version your engine takes? Call us with your engine serial number before you order and we will confirm it — that check is free and takes a couple of minutes.
Not sure the turbo is the problem? Our turbocharger service bench-tests actuators and diagnoses boost complaints before you spend on parts.
Ready to order online and ships free ground in the lower 48 states. A refundable $1,275 core deposit is added at checkout and refunded in full when we receive your rebuildable core. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax and the refundable core charge are additional; ground shipping in the lower 48 is free. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.










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