Turbocharger 3551749 for Cummins / Holset (Replaces 3551749)
Holset turbocharger, replacement for 3551749. Supplied against your engine model and serial number — fitment confirmed before shipment.
Turbocharger 3551749 for Cummins / Holset (Replaces 3551749)
AI Search Summary
Holset turbocharger for Cummins engines, replacement for 3551749. Confirm the engine model and serial number before ordering; fitment is verified per engine, not by part number alone.
Key Facts
MOQ1 pc
Lead Time15-30 Days
Warranty12 Months
MaterialAluminium housing, steel shaft, cast compressor and turbine wheels
OEM / Reference
3551749355-1749
Available — Xi’an consolidation point · reply within 24h
Compatible with: Cummins · Engine: Cummins (confirm by engine model and serial)
The order we never skip — which is why the wrong part does not reach your site.
01
Confirm
Nameplate, OEM number and working conditions — checked against your machine, confirmed in writing before you pay.
02
Verify
Photos and video of the actual part, packed and labelled, before it leaves. What you see is what ships.
03
Prevent
Send the hour-meter reading and we log the service interval — you get a message before the next one is due.
04
Dispatch
Nothing leaves Xi’an until you reply "ok". You approve, then we ship — not the other way round.
Confirm this part for my machine
Machine model and part number are what let us confirm fitment in writing. Message is optional.
Overview
Fitment Note: Fitment is confirmed by engine model, serial number and the removed part number. Turbochargers differ by engine rating and application — send us these three details and we confirm the correct unit before shipment.
Specifications
MOQ
1 pc
Type
Turbocharger assembly
Brand
Holset
Replaces
3551749
Shipping
Rail / Sea / Air
Warranty
12 Months
Lead Time
15-30 Days
Application
Cummins diesel engines (confirm by engine model and serial)
Holset turbocharger, direct replacement for 3551749, for Cummins diesel engines.
A failing turbo shows as oil in the intake or exhaust, blue/black smoke, loss of boost and power, whistling or grinding, or shaft play. Check the oil feed line, air filter and intercooler before fitting a new unit.
Supplied as one unit. Send the engine model, serial number and original part number and we confirm the correct unit.
Key Features
Direct replacement for 3551749
Holset turbocharger assembly
For Cummins diesel engines (fitment confirmed per engine)
Quality aftermarket part, 12-month warranty
Fits these machines
Common Fault Symptoms
Oil in intake or exhaust, blue/black smoke, loss of boost and power, whistling or grinding noise, shaft play.
Installation Tips
1. Confirm engine model, serial and the removed turbo part number.
2. Change engine oil and filter; check the oil feed line for blockage and the air filter/intercooler for debris.
3. Pre-lube the bearing housing with clean engine oil before fitting.
4. Fit new gaskets and oil line washers, torque to spec, then check boost and for leaks on first run.
Technical Data
Material
Aluminium housing, steel shaft, cast compressor and turbine wheels
Package
Carton / Wooden Case
System
Engine System
Position
External
Warranty
12 Months
Lead Time
15-30 Days
MOQ
1 pc
Packaging
Carton, Wooden Case
Delivery
15-30 Days
Fits these machines
Part Number
Machine Model
Type
Availability
3551749
—
Replacement part
In Stock
355-1749
—
Replacement part
In Stock
This is a partial reference. Send your part number or machine model — we source and confirm it for you.
Part Number Cross Reference
Original (OEM)
3551749 / 355-1749
Brand No.
3551749
Cross Reference
355-1749
Cross Reference
3551749
What you're quietly worried about
We put it on the table and say exactly how we handle it.
Concern
Impact
How we help
Wrong part model
Installation failure, extra cost
Confirmed by number, model and photos before shipment.
Unclear part number
Delays in sourcing
We identify the part from whatever info you have.
Poor quality
Downtime and complaints
Stable replacement elements; every unit checked.
Slow response
Project delays
Reply within 24 hours.
Many suppliers
Complex procurement, higher cost
Wide coverage, mixed orders from one source.
Shipping risk
Damage or late arrival
Export packing and the right shipping method.
High MOQ
Financial risk
Flexible quantity — start small.
No after-sales
Problems unresolved
We stay in touch after delivery.
How we work
Every step — what you do, what we do.
01
Send your request
Send part number, machine model or photo — whatever you have.
02
Model confirmation
We confirm the correct part from your number, model and photos.
03
Quotation & details
You receive price, availability and specifications.
04
Order confirmation
We arrange preparation on the agreed terms.
05
Inspection & packing
We check the parts and send photos before dispatch.
06
Shipping & delivery
Express, air, rail or sea — with tracking after dispatch.
Frequently asked questions
What part grade do you supply?
We supply OEM-supplier, branded and quality aftermarket replacement parts built to match OEM specifications. OEM numbers are shown for reference only.
Will this fit my machine?
Contact us to confirm machine compatibility — send your machine model and serial number, and we verify fitment before you pay.
What is the warranty?
3-12 months depending on part type; common-rail injectors 3-6 months subject to correct installation.
How long does shipping take?
Parts are sourced to order and consolidated in Xi\u2019an; consolidation and dispatch usually 2-5 business days depending on availability, then 7-15 days to most countries via DHL / FedEx / sea / rail. Confirmed per line in the quotation.
Do you offer pre-shipment verification?
Yes — we send photos and videos of your part for approval before dispatch.
