CAT 211-3024 Fuel Injector – Reman 10R-8502 for C15 3406E 3456

 

This Caterpillar 211-3024 fuel injector is the current service replacement for the original C15 and 3406E platforms, cross-referencing to the 10R-8502 remanufactured assembly and the legacy 102-6230 casting number. With a flow rate of approximately 3.107 kg/min, this injector delivers a measurable increase over the factory baseline for operators seeking restored combustion efficiency without altering ECU calibration. Supplied as a remanufactured unit with OEM-level tolerances, it targets diesel repair shops and parts distributors handling high-hour CAT engines in trucking, earthmoving, and industrial power applications.

 

 

The 211-3024 is not simply a legacy nozzle holder. It is a common-rail injector assembly with internal control valves and a solenoid actuator calibrated to the C15 ECM's injection pulse mapping. The remanufactured designation 10R-8502 indicates the unit has been disassembled, cleaned, and rebuilt to Caterpillar Reman standards, with the 10R-0958 serving as the related exchange number for certain dealer networks. The injector weighs approximately 2.8 kg and carries a physical envelope designed for direct drop-in installation into the cylinder head bore, requiring no adapter plates or line modifications. The 211-3024 shares its body architecture with the 211-3025; the distinguishing factor is the nozzle tip geometry, which governs the flow rate and spray pattern for the target combustion chamber.

 

 

This injector is engineered for Caterpillar C15 and 3406E diesel engines, covering a substantial slice of the on-highway truck and off-road equipment fleet still in daily operation. Beyond the engine designation, the 211-3024 crosses into specific machine applications: the 836G landfill compactor, 988G wheel loader, 834G wheel dozer, and 3456 industrial engine all appear in the confirmed fitment list. The broad adoption across truck and equipment platforms makes this injector a high-turnover inventory item for diesel parts wholesalers serving mixed fleet customers, particularly in regions where C15 and 3406E engines remain the backbone of vocational truck and aggregate production fleets.

Specification	Value
Caterpillar Part Number	211-3024
Reman Exchange Number	10R-8502
Related Cross-Reference	10R-0958, 102-6230, 0R-4893
Engine Compatibility	C15, 3406E, 3456
Machine Applications	836G, 834G, 988G
Flow Rate	≈ 3.107 kg/min
Weight (kg)	2.8
Condition	Remanufactured

 

Before removing the 211-3024, perform a return flow test to confirm whether the injector is genuinely the root cause or whether rail pressure instability is masking a pump or regulator issue. Excessive return flow from a warm engine - particularly one that cranks longer than normal - is a reliable indicator of internal injector wear and justifies replacement. When installing the replacement, thoroughly clean the injector bore in the cylinder head and verify that the old copper washer and O-ring are fully removed; residual sealing material will cause compression leakage and hot-start problems. Use clean engine oil to lubricate the body O-ring, seat the injector fully, and torque the hold-down bracket to specification before reconnecting the high-pressure line. If the fuel system shows rust, metal particles, or water contamination, address the tank and filtration circuit first - installing a new injector into a contaminated common-rail system will produce a repeat failure.

 

 

The C15 and 3406E are high-hour engines, and their injectors operate under sustained rail pressures that punish marginal internal components. A remanufactured 211-3024 restores the hydraulic and electrical calibration that a worn core loses after hundreds of thousands of miles, delivering predictable injection timing and spray quality rather than the erratic combustion that produces white haze, diesel knock, and elevated fuel consumption. For diesel repair shops, the value proposition is straightforward: a flow-tested injector with documented cross-references reduces comebacks and diagnostic ambiguity. For parts distributors, the 10R-8502 reman number aligns with Caterpillar's exchange program, making it easier to communicate with fleet purchasing departments that recognize the Reman designation as a cost-controlled alternative to new OEM injectors.

 

 

Q1: Does the 211-3024 require an ECM recalibration when replacing a failed factory injector?
A: No. If replacing a like-for-like C15 or 3406E injector with the same part family, the existing injector trim codes in the ECM remain valid. Recalibration is only required if upgrading to a different flow class or when the ECM detects persistent cylinder balance deviations after installation.

Q2: How does the flow rate of this injector compare to the standard 211-3025?
A: The 211-3024 and 211-3025 share the same body and actuator but differ in nozzle tip configuration. The 211-3024 flows approximately 3.107 kg/min, representing a documented improvement over the factory baseline injector for this platform.

Q3: Can I install the 211-3024 in a 3406E that originally shipped with a 102-6230?
A: Yes. The 211-3024 supersedes the 102-6230 and related early numbers. The 10R-8502 reman assembly is the current service replacement for that lineage.

Q4: What return flow values indicate the injector is still within acceptable limits?
A: Return flow varies by test conditions and rail pressure. The diagnostic value is comparative: no single injector should return significantly more fuel than the others in the set. A leak-off test with equal-duration measurement across all cylinders provides the most actionable data.

Q5: Do you offer matched sets for full C15 injector replacement?
A: Yes. For fleet and reman engine builders, matched 211-3024 sets are available with documented flow testing. Replacing the full set is recommended when multiple injectors show wear or when contamination has affected the entire fuel system.

Q6: What warranty coverage applies to the remanufactured 10R-8502?
A: Standard reman warranty terms apply, typically 6 months from installation or a mileage/hours equivalent, covering internal hydraulic and electrical defects under normal operating conditions.

 

 

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