Fuel Shut Off Solenoid SBA185206083 – Model-Matched for New Holland

Cross-Reference Verified — Sixteen OEM reference paths mapped to confirm this 12V stop solenoid fits your exact New Holland or Shibaura ISM N844 variant before it ships.

Technical Specifications

Application Suitability

Why the Same Stop Solenoid Carries Sixteen Part Numbers

Superseded references and variant splits mean the number on your old solenoid may no longer match current listings, but the physical part can still be correct.

A buyer holding a worn solenoid from a TC35DA might read 185206080 on the label, while another pulling the same component from a Boomer 3045 finds SBA185206085. Both machines use the Shibaura ISM N844 engine, yet the OEM reference changed across production runs and model revisions. When aftermarket cross-reference tables copy forward without verification, the wrong variant ends up on a workbench — mounting bolt pattern correct but connector pinout reversed, or voltage spec mismatched. I once watched a replacement solenoid for a New Holland compact tractor burn out within seconds of key-on because the plug pin definition differed between two ISM N844 serial ranges, even though both carried what appeared to be the same base number [NEED_CITE: New Holland compact tractor electrical system variant documentation]. The Fuel Shut Off Solenoid for New Holland TC18-TC45 / Shibaura ISM N844 cross reference requires checking more than a single number — it demands matching the connector type, coil voltage, and plunger travel against the specific engine build in your machine.

Serial Range and Variant Differences Across the TC and Boomer Lines

The New Holland TC18 through TC55DA family spans multiple ISM N844 engine configurations. Early TC-series tractors used a two-pin connector with a simple pull-to-stop coil circuit, while later TC-DA variants introduced a three-pin connector supporting a hold coil that reduces current draw after initial actuation. Ordering a Fuel Shut Off Solenoid for New Holland TC18-TC45 / Shibaura ISM N844 cross reference without confirming whether your machine uses the two-pin or three-pin harness will result in either a non-functional solenoid or an immediate electrical fault. The Boomer and Workmaster series add further variation in mounting flange geometry. We map each machine model against the correct connector and flange variant so the unit you receive bolts on and plugs in without modification.

Connector Pin Layout and Mounting Pattern Verification

Before confirming fitment, we check four physical attributes on this stop solenoid against your existing unit or engine data plate. The connector shell type and pin count must match your wiring harness — a mismatch here is the most common cause of fitment failure on ISM N844 installations. The mounting bolt spacing and flange shape determine whether the solenoid seats correctly against the fuel pump body. The plunger length and tip profile must engage the fuel rack without binding or falling short. Finally, the 12V coil resistance falls within a narrow band that your machine's electrical system expects [NEED_CITE: stop solenoid coil resistance specification for compact diesel engines]. Any one of these four checks failing means the solenoid physically mounts but will not function reliably.

Reading the Specifications That Matter in the Field

The 12V coil rating is the primary electrical constraint — this solenoid is designed for the standard 12-volt electrical system found across New Holland compact tractors and Shibaura ISM N844 platforms. Running a 12V coil on a 24V system, which some larger equipment uses, will destroy the coil instantly. The ISO 9001 manufacturing standard ensures consistent coil winding and plunger machining tolerances across production batches, which directly affects whether the solenoid achieves full plunger travel at rated voltage. The new aftermarket condition means the unit has not been remanufactured from a returned core, eliminating the risk of residual carbon buildup or worn plunger bores that cause intermittent sticking. The 3-to-12-month warranty window covers manufacturing defects in the coil winding and plunger assembly, giving repair shops confidence when stocking this part across a mixed fleet.

The Cost of Shipping the Wrong Variant

When a stop solenoid arrives with the correct OEM reference but the wrong connector variant, the machine stays down while a replacement ships. For a repair centre servicing multiple New Holland tractors, a single incorrect solenoid means a second freight charge, a second round of troubleshooting, and a customer waiting an extra week for a machine that was supposed to be back in the field [NEED_CITE: aftermarket parts fitment error rates in agricultural equipment repair]. Worse, a solenoid that partially fits — mounting bolts align but the plunger does not fully engage the fuel rack — can cause the engine to run but not shut off, creating a safety hazard that is far more costly than the original downtime. Every variant mismatch on a Fuel Shut Off Solenoid for New Holland TC18-TC45 / Shibaura ISM N844 cross reference traces back to insufficient pre-shipment verification.

How Fitment Gets Confirmed Before Your Order Ships

We produce selected part lines in our own facility and source the remainder from qualified ISO-certified manufacturing partners, with both carrying identical QC and warranty terms. Our technical team verifies each order against machine model, serial number, or photographs of your existing solenoid — not just the number printed on the label. We maintain cross-reference coverage across all sixteen OEM reference paths for this solenoid, including superseded and alternate numbers that standard catalogues miss. Sample units are available for fitment confirmation before you commit to bulk quantities, which is particularly valuable for repair shops maintaining mixed New Holland and Shibaura fleets. Minimum order starts at one piece, so a single emergency replacement ships without forced overstocking. Every unit leaves our Guangzhou warehouse with dimensional checks on the connector, flange, and plunger completed and documented.

Documentation & Verification

• Commercial invoice and packing list referencing SBA185206083 and applicable cross-reference numbers
• Part compatibility sheet mapping your machine model to the correct connector and flange variant
• Quality inspection record covering coil resistance and plunger travel measurement
• Warranty terms document specifying coverage scope and claim procedure
• Packing photographs showing connector condition and protective packaging before crate closure
• HS code and customs documentation support for international agricultural parts shipments

Fitment Check Before Installation

• Compare connector shell shape and pin count on the new solenoid against your existing wiring harness plug
• Measure mounting bolt spacing against the fuel pump body flange to confirm pattern alignment
• Check plunger tip profile and travel length against the removed unit before bolting in place
• Verify 12V coil resistance with a multimeter to confirm electrical integrity before connecting the harness
• Perform a bench actuation test with a 12V source to confirm full plunger stroke before final installation
• If any dimension or connector feature does not match, halt installation and contact us for variant exchange

Confirming the Right Solenoid for Your Machine

Provide your New Holland tractor model, engine serial number, or clear photographs of the existing solenoid including the connector and mounting flange. We will cross-reference your specific machine build against the sixteen mapped OEM numbers and confirm the correct variant before your Fuel Shut Off Solenoid for New Holland TC18-TC45 / Shibaura ISM N844 cross reference order ships.

Frequently Asked Questions

Q: How do I confirm this solenoid fits my New Holland tractor when I only have the model number? A: The model number alone narrows the field but does not always identify the correct connector variant. We cross-reference your model against our fitment database and may request the engine serial number or a photograph of the existing solenoid connector to confirm the exact variant before shipping. This two-step check prevents the most common fitment errors on TC and Boomer series machines.

Q: My old solenoid has a different OEM number — is it still compatible? A: Yes, in many cases. This solenoid maps to sixteen OEM reference numbers including superseded and alternate paths across New Holland and Shibaura production runs. Send us the number from your old unit and we will verify whether it falls within the confirmed cross-reference list or whether a different variant is required for your specific engine build.

Q: Why are there so many part numbers listed for the same solenoid? A: New Holland revised OEM references across model years and sub-model variants of the TC, Boomer, and Workmaster lines. The same physical solenoid may carry different numbers depending on production date and engine configuration. Our cross-reference table consolidates these into a single verified list so buyers can match their old number regardless of which generation it came from.

Q: What if my tractor model is not listed but uses the ISM N844 engine? A: The ISM N844 engine appears in several machine platforms beyond the listed New Holland models. Provide your machine model and engine serial number, and our technical team will verify whether this solenoid variant matches your connector type, mounting pattern, and voltage specification. We regularly confirm fitment for machines outside the standard catalogue listings.

Q: Can I order a sample to test fitment before buying in bulk? A: Sample units are available starting from one piece. Repair shops servicing mixed New Holland fleets typically order a single unit first, verify physical fitment and electrical function on their specific machine, then place a larger stocking order with confirmed compatibility across their fleet.