Updated
Check Price on Amazon — BuyAutoParts 40-30314AN · or read the OE cross-reference protocol first.
Volvo D12 Class-8, Not the 5.9L Variant
The 40-30314AN sits in the Volvo D12 heavy-duty diesel slot — Class-8 sleeper / vocational, not the 5.9L variants that share the "D12" naming with smaller marine diesels.
Per the BuyAutoParts listing, the unit is
The buyer profile is Class-8 fleet procurement. Volvo VHD vocational chassis (dump trucks, refuse trucks, vocational tractors) and VNL sleeper tractors (long-haul) both ran the 12L D12 engine from the late 1990s through the early 2010s. Both share the same HX52 cross-reference chain. Owner-operators and fleet maintenance shops cross-reference the OE stamp on the existing turbo against the published 3599996 / 3599996-D / 20516147 numbers; the chassis name is not the decision.
The duty-cycle reality matters for this part too. Class-8 sleeper diesels run 100,000+ miles per year under load. A failed turbo at the wrong moment shuts down a working truck and triggers the cascade of dispatcher, dealer estimate, parts lead-time, and labor scheduling that fleet managers measure in dollars-per-day of downtime. Switching from OEM-dealer sourcing to a supplier-audit mid-tier path is the fleet-economics conversation, not a hobbyist build decision.

OE-Number Cross-Reference Protocol
Pull the existing turbo and read the OEM stamp on the compressor housing before ordering anything else.
Per the BuyAutoParts listing,
Locate the data plate on the cold-side compressor housing. The OE part number is stamped in the central pad. Cross-reference against the three published numbers. If the stamp matches, the 40-30314AN is the documented replacement. If it falls outside the chain, the existing turbo is a different HX52 sub-variant and a separate cross-reference is needed. According to the general turbocharger reference on Wikipedia, the OE identifier on the compressor housing is the canonical identification surface across diesel turbo manufacturers.
For mixed-fleet operations, the cross-reference protocol is the same on the BuyAutoParts 40-30796AN industrial Cummins 6BT sibling SKU — read the stamp, match the chain, confirm the supplier-audit answer. One protocol, two engine families.
Supplier Audit: ISO/TS 16949 Framework
Industrial buyers rate parts on supplier audit answers, not Amazon stars. Three rows matter; this listing fills two of them.
The BuyAutoParts listing documents the unit as
ISO/TS 16949 is the automotive supply-chain quality management standard. TS Reman's Turbo University documents the production-line balancing-and-test discipline that the standard requires. The standard does not guarantee field durability — it documents the manufacturing process behind the unit, which is a different question from how the unit holds up at 100,000+ miles per year on a working Class-8 sleeper. Where the warranty conversation actually gets tested is the day-200 claim path — return-merchandise-authorization process, freight terms, replacement turnaround time for a fleet at risk of being parked.
Switching from a Volvo OEM dealer relationship to a BuyAutoParts mid-tier supplier account, the first thing we noticed was how cleanly the supplier-account row carries the actual operational risk — the audit standard and warranty term are on the listing, but the claim experience and replacement freight is on the relationship. The first-time fleet operator who reads only the listing-side standards is reading half the audit; the experienced procurement lead is reading the call log.

What the Listing's Thin Review History Means
Per the SpoolBench product-catalog research, the listing carries thin extracted review evidence with internally conflicting snapshots across time. Three signals to read here.
First, the buyer profile mismatch. Class-8 sleeper diesels are bought by fleets and owner-operators whose feedback channels are dispatcher complaints and warranty RMAs, not Amazon star ratings. The lack of reviews is a profile mismatch with Amazon's consumer feedback loop, not a product-quality verdict. Per the SpoolBench product-catalog research, B014VPPUCW sits in a zero-review industrial / heavy-duty cohort alongside the BuyAutoParts industrial Cummins 6BT sibling.
Second, the snapshot conflict. Earlier per-product extractions logged a single review at a 3.4 rating with empty distribution. The live listing currently shows a 1-of-5 star display with no review body text. Operator inspection in May 2026 confirmed the 1-of-5 display. The Amazon listing feedback for this part is structurally unstable; the cross-reference and supplier-audit answer are the durable signals.
Third, the cross-shop universe. Off-Amazon, this Holset HX52 cross-reference part lists at Turbochargers Direct in the upper-four-figure OEM band per the SpoolBench shopping research. The off-Amazon catalog universe is small for D12 HX52 replacements — most fleet sourcing runs through Volvo dealer parts counters or BorgWarner / Holset reman networks. The BuyAutoParts mid-tier path is one of a small number of aftermarket cross-references for this engine family.
Cross-Engine Sister SKU
The most interesting buyer profile for the 40-30314AN is the same one we identified for the 40-30796AN industrial 6BT — fleets running mixed Cummins industrial + Volvo D12 Class-8 on one operations roster.
BuyAutoParts publishes both SKUs under the same supplier audit answer: ISO/TS 16949 manufacturing quality, 12-month unlimited-mileage warranty, no core deposit, no core return. For procurement, that supplier overlap collapses two audit rows into one. The same parts-supplier account services both engine lines. The same warranty claim path applies to both. The same freight contract handles both deliveries. When a single sourcing decision on supplier-audit terms covers two engine families, the cross-engine roundup is the way fleet operators read the catalog — see our cross-engine industrial fleet roundup for that framing, or the BuyAutoParts cross-engine comparison for the head-to-head.

Where to Buy It
The current listing for the BuyAutoParts 40-30314AN is on Amazon under ASIN B014VPPUCW. The SpoolBench affiliate link below opens the listing in a new tab with our affiliate tag attached — the price you pay does not change and there is no add-on fee.
Check Price on Amazon — BuyAutoParts 40-30314AN — and verify the OE-number stamp on the existing turbo before adding to cart. The cross-reference is the buying decision. Mixed-fleet operations should also evaluate the industrial Cummins 6BT sibling SKU if the same supplier audit can cover both engine families.
Sourcing the Verdict
SpoolBench reviews synthesize the supplier audit trail, the OE cross-reference catalog, the documented price band across cross-shop retailers, and the fleet-procurement field-experience record. We do not run a physical test lab. We do not claim to have personally pulled this turbo on a Class-8 D12 sleeper. What we do is read the listing fence, cross-reference the OE-number chain, weight the supplier-audit standard published on the SKU, and triangulate that against the documented cross-shop universe for the same product family.
The limits are real. We cannot speak to field durability at 100,000+ miles per year. We cannot independently audit the warranty claim experience on day 200 for a fleet operation. We cannot certify a specific buyer's fitment cross-reference without seeing the OE-number stamp on the existing turbo. Where the listing or research is silent, we leave the cell empty rather than fill it with marketing language. The decision still belongs to the buyer with the data plate in hand.
Volvo D12 Fleet Sourcing Questions
- How much does it cost to replace a Volvo turbo?
- For the Volvo D12 Class-8 slot, OEM Volvo dealer cost on the same OE chain runs in the four-to-five-figure band; BorgWarner / Holset reman runs in the low-four-figure band; the BuyAutoParts 40-30314AN mid-tier sits below the reman band. The cross-shop on this part is the dealer band, not in-catalog alternatives.
- How much does it cost to replace a turbo on a semi truck?
- For Class-8 heavy-duty diesel the cost band varies by engine family — D12 Volvo, ISX Cummins, DD15 Detroit. Aftermarket mid-tier supplier paths typically run a 60-80% savings vs OEM dealer quotes. Independent shop labor adds 4-6 hours at commercial-rate billing. Downtime cost on a working fleet usually dominates the parts-versus-labor split.
- Does Cummins own Holset turbo?
- Cummins acquired Holset in 1973. Holset operated as a Cummins subsidiary until rebranding to Cummins Turbo Technologies in 2006. Volvo D12 HX52 turbos retain "Holset" naming because the OE-stamp heritage predates the rebrand. When the listing says "Holset HX52," it is the same engineering family that Cummins has owned for fifty years.
- What turbo does Cummins use?
- Holset.
- Will the BuyAutoParts 40-30314AN fit a Volvo VHD / VNL with the D12 engine?
- Yes, when the existing turbo carries Volvo OEM part number 3599996, 3599996-D, or 20516147. Per the BuyAutoParts listing, the only way to 100% guarantee fitment is to look up the OEM part numbers off the original turbo before ordering. The 12L D12 displacement family covers Volvo VHD vocational and VNL sleeper variants; the cross-reference is the data-plate read, not the chassis name.
Check Price on Amazon — BuyAutoParts 40-30314AN · or use our Turbo Replacement Cost Estimator to size the savings before committing.
Cross-Engine Procurement Notes
For fleets running a mixed Cummins industrial 6BT + Volvo D12 Class-8 truck inventory, the 40-30314AN ships under the same BuyAutoParts ISO/TS 16949 + 12-month unlimited-mileage supplier audit as the 40-30796AN industrial Cummins SKU. Same purchase order, same return / warranty workflow, same compliance documentation across both engine lines. The cross-engine procurement angle is the primary value-add over single-SKU industrial replacement on the Volvo dealer network — pricing and warranty pathway both flatten when one supplier covers both fleets.
Fleets that also run 2013-2018 Cummins 6.7L Ram 2500 / 3500 pickups alongside the Class-8 Volvo D12 lane should read the 40-30314AN vs WOLLAHS 5494878RX cross-cohort comparison for the shop-floor framing on that specific Volvo-complete vs Cummins-actuator pairing — different engine families, different SKU classes, one parts-shelf decision.
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Where this verdict comes from
- [1]"Engineered for superior durability, backed by a one year, unlimited mileage warranty"https://www.amazon.com/dp/B014VPPUCWCaptured May 7, 2026. Verified May 11, 2026.
- [2]"100% BRAND NEW replacement turbo, premium ISO/TS 16949 quality - no core deposit or return required!"https://www.amazon.com/dp/B014VPPUCWCaptured May 7, 2026. Verified May 11, 2026.
- [3]"the only way to 100% guarantee fitment would be to look up any OEM part numbers off your original turbo"https://www.amazon.com/dp/B014VPPUCWCaptured May 7, 2026. Verified May 11, 2026.
- [4]"Direct-fit replacement for the original Holset HX52, Volvo OEM part number 3599996, 3599996-D or 20516147"https://www.amazon.com/dp/B014VPPUCWCaptured May 7, 2026. Verified May 11, 2026.