12V Stop Solenoid RE62240 | Verified Fitment for Perkins & John Deere

Verified Variants — Cross-reference tables often carry forward errors between sellers; this 12V Stop Solenoid RE62240 fitment is confirmed against engine serial ranges and connector types before shipping.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Multiple Connector Variants

A single base solenoid number often spans several connector styles and plunger lengths across different engine builds and model years.

Working from Guangzhou and moving between parts catalogues and technical support desks, I have handled dozens of cases where a buyer sends a photo of a solenoid that looks identical to the listing, only to find the connector is a two-pin Deutsch while the machine harness expects a three-pin Weather-Pack. The same RE62240 cross-reference covers equipment built across two decades. Perkins 1004-series engines in early industrial gensets used a different wiring loom than the same engine family dropped into later agricultural tractors. John Deere 4239 and 6466 variants share the mounting pattern but the fuel pump linkage geometry changed between serial ranges, meaning plunger travel and armature stroke must match the specific pump build. Cross-reference tables copied between sellers frequently carry these variant errors forward [NEED_CITE: aftermarket cross-reference accuracy in fuel system components]. One wrong connector means the machine will not shut down on command, which is a safety issue before it becomes a parts return issue.

Mapping Engine Serial Ranges to the Correct Solenoid Variant

The Perkins 1004-4 through 1006-6T and John Deere 4239 through 6466T engine families each have sub-ranges where the stop solenoid mounting bracket, connector type, or plunger specification shifted. A 12V Stop Solenoid for Perkins 1004 / John Deere 4239 Cross Reference lookup must account for these serial breakpoints. When a buyer provides the engine serial number, the correct variant is isolated from the superseded part number chain — RE37089 to AR48219 to RE62240 — and the connector configuration is confirmed before the unit leaves the shelf. This is why machine model alone is sometimes enough, but engine serial is always preferred.

Connector Type, Plunger Travel, and Mounting Pattern Verification

The physical interface between this solenoid and the fuel injection pump involves three checkpoints that vary across applications. The connector must match the existing wiring harness — swapping connectors in the field introduces a failure point in vibration-heavy environments. The plunger travel tolerance of ±0.05 mm ensures the armature fully engages the fuel rack without binding or leaving a residual gap that prevents complete fuel shutoff. The nickel-plated brass housing resists corrosion from fuel vapor and field moisture, while the mounting bolt pattern must align with the pump body without requiring adapter brackets. Before bulk commitment, a sample unit allows physical fitment against the actual pump on the machine, confirming all three interface points simultaneously [NEED_CITE: fuel shutoff solenoid fitment verification procedures for mechanical injection pumps].

Reading the Specifications for Real-World Behavior

The 12V DC rating means this solenoid operates directly from the machine electrical system without a relay step-down, but the holding current of ≤ 1.8 A is what matters for sustained operation — a solenoid that draws more current generates excess heat in the coil, and Class H wire rated to 180°C provides thermal margin for hot engine bays in tropical climates. The pull-in time of ≤ 25 ms is fast enough that the fuel rack responds within a single engine cycle, which matters when an emergency shutdown is triggered. The IP65 rating protects against water jets and dust ingress during pressure washing or operation in wet quarry conditions. The copper-clad steel armature combines magnetic responsiveness with structural rigidity so the plunger does not deflect under repeated cycling. These specifications together define whether the solenoid survives its environment, not just whether it fits the bolt holes.

What Happens When the Wrong Variant Gets Installed

A solenoid with the correct bolt pattern but the wrong connector forces a field splice that fails within weeks under vibration and moisture exposure. A plunger that is even slightly out of travel tolerance may shut the fuel rack partially but not fully, leaving the engine running at low idle when the key is turned off — the operator then assumes the solenoid is faulty and orders a second unit, doubling the downtime. In high-cycle applications like harvesters running continuous shifts during season, a coil that lacks adequate thermal rating degrades insulation over weeks, eventually shorting internally and leaving the machine unable to restart after a scheduled stop. Each of these failure modes traces back to a variant mismatch, not a manufacturing defect [NEED_CITE: root cause analysis of fuel shutoff solenoid field failures].

Why Source This Stop Solenoid Through XUNPO

Own production lines and qualified sourced supply carry the same quality control and six-month warranty terms under one account. Eight product categories mean that if the repair also requires fuel filters, gaskets, or adjacent engine auxiliary components, everything ships in one consignment rather than arriving from separate suppliers on different schedules. Minimum order from one piece supports both the single emergency replacement and the fleet stock replenishment. Identification works from a part number, machine model, photograph of the old unit, or a nameplate image when the original markings are worn or painted over. Cross-reference verification covers superseded and alternate numbers in the RE62240 chain. A sample unit ships for fitment confirmation before any bulk commitment, removing the guesswork from variant selection. The technical team confirms compatibility against engine serial ranges and connector types before dispatch.

Documentation & Verification

• Commercial invoice and packing list with itemized RE62240 line entries and declared values
• Part compatibility and cross-reference sheet listing verified OEM reference numbers (reference only)
• Dimensional check record covering plunger travel, bolt pattern, and connector pin layout
• Six-month warranty terms covering manufacturing defects under normal operating conditions
• Packing photographs documenting unit condition and protective packaging before dispatch
• HS code and customs documentation support for international shipment of solenoid assemblies

Fitment Check Before Installation

• Compare the new solenoid connector pin layout against the existing harness plug before disconnecting wiring
• Verify plunger extension length against the old unit to confirm fuel rack engagement depth
• Check mounting bolt hole spacing on the pump body matches the solenoid flange pattern
• Energize the solenoid on the bench to confirm pull-in stroke and return spring action before bolting to pump
• If connector type differs, source the correct mating plug rather than splicing wires in the field

Requesting a Fitment Confirmation

Send the machine model, engine serial number, or a clear photograph of the existing solenoid and its connector. If the nameplate is unreadable, a photo of the fuel injection pump model tag is sufficient to narrow the correct variant. The cross-reference lookup covers the full superseded number chain, and a sample unit can ship for physical trial fitment before any larger order is placed.

Frequently Asked Questions

Q: How do I confirm this solenoid fits my specific engine serial range? A: Provide the engine serial number from the nameplate or build tag. The serial range determines which connector type and plunger variant is correct within the Perkins 1004/1006 or John Deere 4239/6466 families. The cross-reference is then verified against the specific engine build, and fitment confirmation is provided before the unit ships.

Q: My old part number is superseded — which current number replaces it? A: The superseded number chain includes RE37089, AR48219, AR51796, and AR90340, all mapping to RE62240 as the current reference. Provide the old number and the machine model so the cross-reference is validated against the correct variant, as some superseded numbers span multiple connector configurations across different production years.

Q: Why does the same base number have different connector types across models? A: Engine manufacturers changed wiring harness standards and connector suppliers across model years and application platforms. A Perkins 1004 in an early genset may use a different connector than the same engine in a later tractor. The base solenoid function is identical, but the electrical interface must match the specific machine harness to avoid field splicing.

Q: I only have a machine model, no readable part number — can you identify the right variant? A: Yes. A clear photograph of the old solenoid, the fuel pump tag, or the machine nameplate provides enough information to identify the correct variant. Engine serial range narrows the connector type and plunger specification, and a sample can ship for physical fitment confirmation if uncertainty remains.

Q: Can I order one sample to verify fitment before placing a bulk order? A: Yes, the minimum order is one piece. A sample unit allows physical fitment against the actual pump and harness on the machine, confirming connector type, bolt pattern, and plunger travel. Once fitment is verified, bulk pricing and lead time are quoted for the full requirement.