12V Fuel Shut-Off Solenoid J904630 – Cross-Reference for CASE & Cummins

Cross-reference verified — We check J904630 against superseded and alternate numbers, confirming physical dimensions before dispatch.

Technical Specifications

Application Suitability

Why the Same Part Number Ships in Four Variants

The base reference J904630 covers multiple machine generations, but physical dimensions and electrical connectors often change.

Sourcing a stop solenoid for a CASE loader or a Cummins engine often leads to confusion when the manual lists a single number but the actual unit has a unique port arrangement. Superseded numbers and variant differences mean that a "matching" part number can still arrive and not fit. Many aftermarket listings simply copy cross-reference tables without verifying the spline count or connector pin layout [NEED_CITE: importance of variant verification in fuel solenoid replacement]. This results in a machine remaining down while the buyer waits for a replacement that actually matches the specific engine build.

Machine Model and Serial Range Coverage

The 12V Fuel Shut-Off Solenoid J904630 for CASE 584E / Cummins ISB CM850 Fitment & Cross Reference covers a wide range of equipment, from 1845C skid steers to 8830 tractors. Verifying the serial prefix is essential because CASE often transitioned from one solenoid variant to another mid-production. Matching the exact serial range ensures the mounting flange aligns with the fuel pump housing.

Interface Verification and Port Alignment

Physical fitment requires more than a matching number; it requires verifying the mounting flange tolerance of ±0.05 mm and the specific connector type. A slight variation in port position or spline count can lead to fuel leakage or engagement failure. We cross-reference the physical dimensions against the removed unit to ensure the 12V Fuel Shut-Off Solenoid J904630 for CASE 584E / Cummins ISB CM850 Fitment & Cross Reference bolts on correctly the first time [NEED_CITE: standard practices for fuel system component fitment].

Electrical and Environmental Endurance

The IP67 rating and epoxy-encapsulated coil housing are vital for equipment operating in quarry loading or demolition sites. These features protect the internal windings from moisture and vibration, which are common causes of coil failure in the field. The stainless steel plunger and hardened brass valve seat provide reliable operation across the -25°C to +85°C temperature range, preventing the solenoid from sticking during extreme thermal cycles.

The Cost of Incorrect Variant Selection

Installing a stop solenoid with the wrong flange tolerance or spline configuration often leads to immediate leakage or failure to engage. This forces a second teardown and leaves the machine out of service for an extended period. For a fleet operator, the cost of a misfit part extends beyond the component price to include labor and missed project deadlines [NEED_CITE: financial impact of equipment downtime in construction].

Why Source This Stop Solenoid Here

We maintain a focused inventory of engine auxiliary components, allowing us to verify the J904630 against its alternate reference 3904630 (reference only). Our technical team confirms the specific variant for your CASE or Cummins engine by checking machine serial numbers and port configurations. We support buyers with sample supply for physical fitment confirmation before a bulk commitment, ensuring the parts match the site requirements.

Documentation & Verification

• Commercial invoice listing specific CASE and Cummins compatibility.
• Part compatibility sheet noting J904630 and 3904630 (reference only).
• Dimensional check record for flange tolerance and port spacing.
• Warranty terms covering manufacturing defects for six months.
• Packing photographs showing individual retail box and anti-static foam.

Fitment Check Before Installation

• Verify mounting flange thickness and bolt-hole spacing against the old unit.
• Inspect the electrical connector for pin count and shape compatibility.
• Check the plunger length and spline count before final assembly.
• Ensure the valve seat area is clean and free of debris.

Request Fitment Verification

Send us your machine model, serial prefix, or a photo of the original nameplate and connector. We will verify the J904630 variant and provide a cross-reference check to ensure it fits your specific CASE loader or Cummins engine.

Frequently Asked Questions

Q: How do I confirm this solenoid fits my exact CASE loader or Cummins engine variant? A: The most reliable method is to provide the machine serial number or a photo of the original solenoid's mounting flange and connector. We cross-reference the J904630 against your specific equipment build to verify the spline count and port position, preventing fitment issues.

Q: Is J904630 the same as 3904630 — can I use either number to order? A: They are often listed as interchange references, but physical attributes like connector types can differ between production runs. We verify the 3904630 (reference only) against the J904630 to ensure the variant we ship matches the specific requirements of your engine's fuel system.

Q: Why does the same base part number appear in several variants across model series? A: Manufacturers often update the design of the fuel pump or the electrical system across different machine generations. This results in variations of the same base stop solenoid with different flange thicknesses or electrical pins, requiring specific variant-level matching.

Q: I only have the machine model, no readable part number — can you still identify the right solenoid? A: Yes, we can identify the correct unit based on the machine model and engine serial number. We use the application data for models like the CASE 580K or 584E to determine the correct 12V configuration and physical dimensions required for your site.

Q: Can I get a sample to test fitment before placing a bulk order? A: We offer sample supply so you can confirm the physical fitment and electrical function on a single machine. This is particularly useful for mixed fleets where multiple variants of the J904630 might be in use across different equipment models.