6705003-S60 Injector Repair Kit – Seal & Gasket Set For Detroit Series 60 Injectors

Keeping a Detroit Diesel Series 60 running clean and efficient is all about the condition of its injectors. Long hours, high fuel pressure and heat slowly harden the seals inside every unit injector. Instead of replacing the whole injector, the 6705003-S60 repair kit gives workshops a cost-effective way to refresh the sealing system and restore reliable operation.

Multiple international suppliers list 6705003-S60 as a diesel injector repair / overhaul kit for Detroit S60 engines, designed specifically for injector part numbers 5235575, 5235600 and 5237466 (and equivalent assemblies).

 

 

This kit is a dedicated seal and gasket package for common rail / unit injectors used on Detroit Series 60 heavy-duty engines. Product descriptions identify it as:

"Fuel injection repair kit, fuel injection seal gasket rebuild kit for common rail injector"  

"Injector repair kit 6705003-S60 for 5235575 5235600 5237466 injector" 

It is built around high-grade rubber and polymer components, engineered to survive diesel fuel, heat and the pulsing pressure waves inside the injector body 

Typical contents (may vary slightly by supplier) include:

O-rings for body, solenoid and high-pressure connections

Backup rings and sealing washers

Small gaskets and cushions for internal fuel passages

Think of it as a complete sealing refresh for one Detroit S60 injector.

 

 

The kit targets some of the most common injectors in the 12.7 L and 14 L Series 60 range. Sellers consistently quote compatibility with:  

5235575 injector

5235600 injector

5237466 injector

These injectors are widely used across on-highway Detroit 60 Series engines in long-haul trucks, vocational chassis and some off-highway applications. If your injector cross-reference list or body stamping shows one of the numbers above, 6705003-S60 is the dedicated repair solution.

To keep returns low on your independent site, you can highlight a simple rule:

✅ "Fits Detroit Diesel Series 60 injectors 5235575 / 5235600 / 5237466 – check injector number before ordering."

 

 

A full injector swap is sometimes necessary, but in many fleets the steel body and nozzle are still serviceable while the seals are not. Using the 6705003-S60 injector repair kit offers several advantages:

Cost control for fleets
Replacing seals is significantly cheaper than purchasing new or reman injectors-especially on six-cylinder sets.

Extended injector life
Fresh O-rings prevent external leaks, return-line cross-leaks and internal bypass that can disturb fuel balance between cylinders.

Cleaner combustion & easier starts
Correct sealing helps the injector achieve its designed injection pressure, improving atomisation and reducing white or black smoke at start-up.

Planned downtime instead of roadside failures
Leaking injectors can dilute engine oil or cause misfire faults. Rebuilding injectors during scheduled maintenance avoids unscheduled stops.

 

 

Most reputable manufacturers promoting 6705003-S60 point out that: 

Each kit is 100% tested before shipping or made under controlled production to match OE dimensions.

The sealing elements are made from fuel-resistant rubber / fluorocarbon compounds, suitable for ultra-low-sulphur diesel.

Kits are sold with short lead times (3–7 days typical dispatch), making them practical for stock orders and urgent repairs.

On your product page, you could summarise this as:

"High-quality rubber and polymer seals, precision-moulded to Detroit S60 injector dimensions, each batch inspected before packing."

 

 

A short workflow description helps both DIY users and workshop customers:

Identify the injector – confirm part number (5235575, 5235600 or 5237466) on the body or service data.

Strip & clean – remove the injector from the engine, disassemble according to Detroit Diesel procedures, and clean all metal parts in fresh solvent.

Replace seals one-by-one – match each O-ring and gasket from the 6705003-S60 kit to its original location; lubricate lightly with clean diesel or assembly lube.

Reassemble & test – re-torque to spec, then bench test if available or perform return-flow and balance checks after installation.

Final check – confirm there are no external leaks around the body, high-pressure connector or return ports, and verify smooth idle and equal cylinder contribution.

 

 

"6705003-S60 injector repair kit – seal & gasket rebuild set for Detroit Diesel Series 60 injectors 5235575 / 5235600 / 5237466. High-quality rubber components, 100% tested, ideal for common-rail / unit injector overhaul in heavy-duty trucks and buses."

 

 

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