Engine sequence variant confirmed — Superseded references 16616-60013 through 17594-60014 mapped to specific Kubota 05-series build generations before dispatch.
Technical Specifications
| Parameter |
Value |
| Part Number |
17454-60010 16616-60010 |
| Product Type |
Stop Solenoid |
| Cross-Reference |
17454-60010, 16616-60010, 16616-60013, 16616-60015, 17594-60014, SA-4569T, 1503ES-12A5UC5S, 17454-6001-0 (reference only) |
| Machine Fitment |
B1700D, B1700E, B1700HSD, B1700HSE, B21, B2100D, B2100E, B2100HSD, B2100HSE, B2400D, B2400E, B2400HSD, B2400HSE, BX2200D, BX22D, F2260, F2560, F2560E, F3060 |
| Voltage |
12V |
| Operating Temperature |
up to 120°C (seal rating) |
| Pressure Rating |
5 bar |
| Resistance Range |
3.2–3.8 Ω at 20°C |
| Condition |
New Aftermarket |
| Warranty |
6 months against manufacturing defects |
| MOQ |
1 piece |
| Standards |
ISO 9001, ISO 8528-5 |
Application Suitability
| Engine System |
Related Components |
| Fuel shutoff — Kubota D905, D1005, D1105 |
Injection pump seals, fuel return line washers, governor shaft O-ring |
| Fuel shutoff — Kubota V1205, V1305, V1505, V1505T |
Fuel filter element, supply pump diaphragm, injector leak-off banjo bolts |
| Auxiliary shutdown — B-series and F-series tractors |
Ignition switch contacts, shutdown relay, wiring harness connector |
| Generator set engine control |
ECU shutdown circuit terminals, voltage regulator sense wiring |
Why Superseded Numbers Cause Rebuild Setbacks in the Fuel Shutoff Circuit
The correct stop solenoid depends on the engine serial range, not just the machine model.
A workshop replacing a failed stop solenoid during a Kubota 05-series overhaul often orders by the machine plate alone. When the injection pump has been swapped across a service campaign or a previous rebuild used a later-revision pump, the solenoid port orientation, coil resistance, and plunger stroke differ between generations. I once traced a D1105 bench failure back to a solenoid shipped against a machine model rather than the pump serial — the port faced the wrong direction, the installer forced it, and the coil shorted within hours of first start. Ordering by engine build generation prevents that repeat teardown [NEED_CITE: Kubota 05-series fuel shutoff solenoid revision history across engine serial ranges].
The Fuel Shutoff System Inside a 05-Series Overhaul
The stop solenoid sits at the boundary between the electrical shutdown command and the mechanical fuel rack inside the injection pump. During an engine rebuild, its role is often overlooked because it is not a wear item in the traditional sense, yet its sealing surfaces, plunger tip, and coil winding all degrade under thermal cycling. When a Kubota Stop Solenoid engine rebuild is underway, inspecting the solenoid seat inside the pump housing for scoring and verifying that the fuel rack moves freely without the solenoid installed are prerequisites to fitting the new unit.
Matching Resistance and Response to the Shutdown Circuit
A coil resistance outside the 3.2–3.8 Ω window at 20°C signals either a winding fault or a specification mismatch for the ECU or relay driving the circuit. The response time must also align with the controller's expected dropout window — a slow-closing plunger leaves the fuel rack partially open during shutdown, producing a run-on condition that stresses the governor spring. Always confirm the engine serial variant and, where applicable, the injection pump part number before finalizing the stop solenoid order [NEED_CITE: diesel engine shutdown circuit response time and coil resistance matching].
Sealing Integrity Under Fuel System Pressure
The dual NBR O-ring arrangement is rated to 120°C and 5 bar, covering the pressure envelope of a typical 05-series low-pressure supply circuit. If the fuel return line is restricted or the tank breather is blocked, back-pressure can push past degraded O-rings and allow air ingress on the suction side, causing intermittent shutdown faults that mimic electrical failure. When replacing the solenoid, flush the fuel gallery and verify return line flow to protect the new seals.
The Cost of Skipping the Upstream Diagnosis
Installing a fresh solenoid without checking the injection pump fuel rack freedom, the condition of the supply pump diaphragm, and the wiring harness connector often leads to a second teardown within weeks. The root cause of the original failure — contamination jamming the rack, a chafed wire dropping voltage below pull-in threshold, or a restricted return line over-pressurizing the seal — remains unaddressed. Workshops that trace the fault back through the fuel system before fitting the replacement stop solenoid avoid this repeat cycle [NEED_CITE: diesel fuel system contamination as root cause of solenoid and injection pump failure].
Why Source This Component Through XUNPO
Our own production lines and qualified sourced supply share the same QC protocol and warranty terms, so whether this solenoid comes from our facility or a partner plant, the inspection standard is identical. Eight product categories sit under one account, meaning the injection pump seal kit, fuel filters, and electrical connectors ship alongside the stop solenoid in a single consignment. Minimum order is one piece, supporting emergency single-unit rebuilds without forcing a stock commitment. The Guangzhou warehouse holds common 05-series auxiliary components for prompt dispatch. Our technical team verifies cross-reference accuracy — including superseded numbers like 16616-60013 and 17594-60014 — against your specific engine serial before confirming the order.
Documentation & Verification
- Commercial invoice listing stop solenoid part number and engine serial reference for customs clearance
- Cross-reference sheet mapping 17454-60010 and 16616-60010 variants with superseded numbers (reference only)
- Inspection record covering coil resistance, pull-in voltage, response time, and O-ring leak test
- Six-month warranty certificate against manufacturing defects
- Packing photographs showing solenoid protective cap and connector pin cover
- HS code and export documentation support for engine auxiliary components
Installation & Rebuild Sequence
- Verify fuel rack moves freely by hand before inserting the new stop solenoid plunger
- Clean the solenoid bore in the injection pump housing with lint-free cloth and solvent
- Lubricate dual NBR O-rings with clean diesel fuel to prevent pinch damage during insertion
- Torque the retaining fastener to specification and confirm port orientation matches the fuel line routing
- Bench-test coil resistance at ambient temperature before connecting to the engine wiring harness
- Run the engine and cycle the shutdown command to confirm clean fuel cutoff within the expected response window
Requesting a Verified Fitment Quote
Provide your Kubota engine model, serial number, and the injection pump part number stamped on the pump nameplate. If the nameplate is illegible, send a photograph of the existing solenoid and its connector type. We will cross-reference your build generation against the applicable revision and confirm compatibility before dispatch.
Frequently Asked Questions
Q: What other fuel system components should I inspect when replacing the stop solenoid?
A: Check the injection pump fuel rack for free movement, inspect the supply pump diaphragm for hardening or tears, and verify that the fuel return line is unobstructed. Worn injector leak-off washers can also allow air into the system, producing symptoms that mimic a faulty solenoid. Addressing these items during the same rebuild prevents repeat shutdown faults.
Q: My engine has a superseded part number — which reference applies to my build?
A: Superseded numbers such as 16616-60013, 16616-60015, and 17594-60014 reflect design revisions across 05-series production runs. The correct reference depends on your engine serial and, where the pump has been replaced, the pump's own serial. Provide both numbers so we can map the applicable revision and confirm port orientation and coil specification.
Q: How do I confirm the electrical specs match my engine's shutdown circuit?
A: Measure the existing solenoid's coil resistance at ambient temperature and compare it against the 3.2–3.8 Ω range. Also confirm whether your shutdown circuit is ECU-controlled or relay-switched, as the controller type affects the required response time. Share these readings along with your engine serial for verification.
Q: Is this solenoid included in a complete engine overhaul kit or sold separately?
A: This stop solenoid is supplied as an individual engine auxiliary component rather than as part of a standard overhaul gasket set. However, it can be consolidated into a single shipment alongside overhaul kits, seal sets, and fuel system components to reduce split deliveries and simplify rebuild planning.
Q: How do I identify my exact Kubota engine variant from the nameplate or serial?
A: Locate the engine serial plate on the cylinder block — typically near the injection pump side. Record the full model designation and serial number. If the plate is painted over or corroded, photograph the casting numbers on the block and the injection pump data tag. These details allow us to identify the correct build generation and solenoid revision.
