Why buy this Detroit Diesel 5103838 replacement turbocharger?
- Brand-new complete turbocharger assembly
- Manufactured with all-new components
- Installation gaskets included
- In stock
- Same-business-day shipping for qualifying orders placed before 3:30 p.m. ET
- No core charge, return, or exchange
- One-year Diesel Pro Power product warranty
- Door-to-door delivery service in more than 180 countries
Delivered directly to your door in 180+ countries—we coordinate the international transportation and import-duty process for you.
Mounting hardware is not included.
Any questions? Click here for help.
Product overview
The Detroit Diesel 5103838 marine turbocharger replacement is a brand-new aftermarket turbocharger manufactured and branded by Diesel Pro Power for verified Detroit Diesel intercooled marine-engine applications.
It is supplied as a complete turbocharger assembly manufactured with all-new components. It is not used, rebuilt, or remanufactured.
Installation gaskets are included. Mounting hardware, oil supply lines, and oil drain lines are not included unless separately selected.
The turbocharger is currently in stock, requires no core deposit, return, or exchange, and includes a one-year Diesel Pro Power product warranty beginning on the order date.
Qualifying orders placed before 3:30 p.m. ET, Monday through Friday, ship the same business day after payment approval.
This product qualifies for Diesel Pro Power’s door-to-door delivery service in more than 180 countries.
Diesel Pro Power coordinates the international transportation and applicable import-duty process so the customer does not need to arrange those steps separately.
Available delivery options and costs are shown during the ordering process before checkout.
Related installation and maintenance products can be added directly from this product page.
This is a Diesel Pro Power aftermarket replacement for Detroit Diesel 5103838. It is not a genuine Detroit Diesel-branded turbocharger.
Product specifications
| Specification | Information |
| Primary product reference |
Detroit Diesel 5103838 |
| Product |
Aftermarket marine turbocharger |
| Product configuration |
Complete turbocharger assembly |
| Product condition |
Brand new |
| Construction |
Manufactured with all-new components |
| Manufacturer |
Diesel Pro Power |
| Brand |
Diesel Pro Power |
| Application |
Marine |
| Engine type |
Detroit Diesel 2-Cycle intercooled marine engines |
| Installation gaskets |
Included |
| Mounting hardware |
Not included |
| Oil supply lines |
Not included |
| Oil drain lines |
Not included |
| Core required |
No |
| Core charge |
None |
| Warranty |
One year from order date |
| Warranty coverage |
Product only |
| Availability |
In stock |
| Same-day shipping cutoff |
3:30 p.m. ET, Monday through Friday |
| International delivery |
Door-to-door service in more than 180 countries |
| Product weight |
80.79 lb |
Compatible Detroit Diesel marine applications
This turbocharger is intended for verified intercooled marine configurations of:
- Detroit Diesel 4-71
- Detroit Diesel 6-71
- Detroit Diesel 12V71
- Detroit Diesel 8V149
- Detroit Diesel 12V149
- Detroit Diesel 16V149
Fitment may depend on:
- Engine serial number
- Horsepower rating
- Existing turbocharger configuration
- Turbine-housing configuration
- Installation orientation
Questions about compatibility? Click here for help.
What is included
- Complete turbocharger assembly
- Installation gaskets
What is not included
- Mounting hardware
- Oil supply lines
- Oil drain lines
- Additional application-specific hoses, fittings, clamps, filters, or supporting products unless separately stated
Complete your installation without leaving this page
Display applicable installation, replacement, and maintenance products directly on this turbocharger page so customers can add additional items they may need to the same order without leaving the page.
Important: Installation gaskets are already included with this turbocharger. Do not recommend or sell the included installation gaskets as an additional required purchase.
Additional parts you may need for installation
Display applicable:
- Mounting studs
- Nuts
- Washers
- Clamps
- Additional application-specific gaskets, if required
- Seals
- Fittings
- Hoses
Recommended while replacing the turbocharger
Display applicable:
- Oil supply lines
- Oil drain lines
- Intake connections
- Exhaust connections
- Additional application-specific seals
- Additional application-specific fittings
Maintenance parts for the same service
Display applicable:
- Oil filters
- Fuel filters
- Air filters
- Other applicable maintenance products
Each related-product card should show
- Product name
- Product image
- Short description
- Why the customer may need it
- Compatibility information
- Price
- Stock status
- Quantity selector
- Add to Order button
Do not display related-product part numbers.
Customers should be able to add a related product without leaving the turbocharger page.
Questions about related parts? Click here for help.
In stock for same-business-day shipping
This Detroit Diesel 5103838 aftermarket replacement turbocharger is currently in stock.
Qualifying orders placed before 3:30 p.m. ET, Monday through Friday, ship the same business day after payment approval.
This applies to qualifying:
- Domestic orders
- International orders
- Freight orders
- Export orders
Orders placed after the cutoff, on weekends, or on holidays ship on the next applicable business day.
Same-business-day shipping means the order is dispatched that business day. It does not mean same-day delivery.
We arrange delivery directly to your door
This product qualifies for Diesel Pro Power’s door-to-door delivery service in more than 180 countries.
You do not have to locate an international carrier, coordinate transportation, or handle the applicable import-duty process separately.
Diesel Pro Power coordinates these arrangements so the turbocharger can be delivered directly to an eligible:
- Business
- Repair facility
- Marina
- Shipyard
- Industrial location
- Residential address
Available delivery options, costs, and destination requirements are shown during the ordering process before checkout.
Get Door-to-Door Delivery Rate
One-year Diesel Pro Power product warranty
This new aftermarket turbocharger includes a one-year Diesel Pro Power product warranty beginning on the order date.
The warranty:
- Applies to the product only
- Covers qualifying marine applications
- Requires inspection by Diesel Pro Power
- Applies when Diesel Pro Power confirms a valid product defect
- Does not cover labor, removal, installation, downtime, or consequential expenses unless stated otherwise in the complete published warranty
Read the Complete Warranty
No core charge or return required
This is a brand-new turbocharger manufactured with all-new components, so no used core is required.
The customer does not need to:
- Pay a core deposit
- Return the old turbocharger
- Package the old turbocharger for return
- Pay core-return freight
- Wait for a core inspection
- Wait for a core refund
Installation recommendations
- Determine and correct the cause of the previous turbocharger failure.
- Inspect the engine lubrication system.
- Inspect the oil supply and drain lines.
- Confirm that the oil supply line is clean and unrestricted.
- Inspect the air-intake system for restrictions, leaks, and foreign material.
- Inspect the exhaust system and mounting surfaces.
- Inspect the existing mounting hardware and replace it if damaged or unsuitable.
- Use the included installation gaskets where applicable.
- Replace damaged seals, hoses, fittings, and lines.
- Follow the engine manufacturer’s installation and startup procedures.
- Prime the turbocharger with clean engine oil when required.
- Confirm proper oil flow and check for leaks after installation.
These recommendations do not replace the applicable engine manufacturer’s service manual or installation procedures.
Customer reviews
4.9 out of 5 based on 811 customer reviews
In the review section, display genuine reviews related to:
- This turbocharger
- Diesel Pro Power turbochargers
- Detroit Diesel replacement products
- Product-identification assistance
- Shipping experience
- International delivery
- Technical assistance
- After-sale support
For each review show:
- Rating
- Review text
- Reviewer name or approved identifier
- Review date
- Review source
Only treat a review as a review of this exact product if the review actually relates to this product.
Questions? Contact Diesel Pro Power
Customers can receive assistance with:
- Product identification
- Compatibility
- Related products
- Installation components
- Shipping
- Door-to-door delivery
- Import-duty coordination
- Order status
- Warranty questions
Display available contact methods:
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Frequently asked questions
Is this a genuine Detroit Diesel turbocharger?
No. This is a Diesel Pro Power aftermarket replacement for Detroit Diesel 5103838.
Who manufactures this turbocharger?
Diesel Pro Power is the aftermarket manufacturer and brand.
Is this turbocharger new or remanufactured?
It is brand new and manufactured with all-new components. It is not used, rebuilt, or remanufactured.
Is this a complete turbocharger assembly?
Yes. It is supplied as a complete turbocharger assembly.
Are installation gaskets included?
Yes. Installation gaskets are included.
Is mounting hardware included?
No. Mounting hardware is not included.
Are oil supply and drain lines included?
No. Oil supply and drain lines are not included unless separately selected.
What Detroit Diesel product does this replace?
It is an aftermarket replacement for Detroit Diesel 5103838.
Which engines is it compatible with?
It is intended for verified intercooled marine configurations of the Detroit Diesel 4-71, 6-71, 12V71, 8V149, 12V149, and 16V149 engines.
Is a core required?
No. No core charge, return, or exchange is required.
When will it ship?
Qualifying orders placed before 3:30 p.m. ET, Monday through Friday, ship the same business day after payment approval.
Does this product qualify for door-to-door international delivery?
Yes. It qualifies for Diesel Pro Power’s door-to-door delivery service in more than 180 countries.
Do I need to arrange international transportation?
No. Diesel Pro Power coordinates the international transportation for you.
Do I need to handle the import-duty process separately?
No. Diesel Pro Power coordinates the applicable import-duty process.
Are import duties included in the product price?
Available delivery options, costs, and destination-specific charges are shown during the ordering process before checkout.
What warranty is included?
A one-year Diesel Pro Power product warranty beginning on the order date is included.
Where can I get help?
Select Expert Help or use the telephone, email, WhatsApp, or chat options displayed on the page.