Engine Auxiliary Components
12V Woodward 1503ES-12S5SUC5S Stop Solenoid – Same-Week Shipping
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Engine Auxiliary Components 12V DC 1503ES-12S5SUC5S CAT Compatible

12V Woodward 1503ES-12S5SUC5S Stop Solenoid – Same-Week Shipping

1503ES-12S5SUC5S Stop Solenoid, 12V DC β€” replacement for Woodward 1503ES systems, compatible with CAT 320D, Komatsu PC360, Volvo EC480, and Doosan DX420LC excavators.

  • Guangzhou warehouse stocked for same-day dispatch, 1-piece MOQ with no minimum barrier for emergency shutdown repairs
  • Send a photo of the worn nameplate or just the machine model β€” our team confirms the correct part number within hours
  • Activation time ≀18ms, holding force β‰₯12.5N, operating range -25Β°C to +85Β°C

Stock confirmed before payment, with delivery window quoted upfront and tracking sent via email.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece Β· In-stock items ship in 2-5 working days
  • 3-12 month warranty Β· 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Same-Day Dispatch Available β€” Our Guangzhou warehouse holds this 12V stop solenoid ready for immediate pickup and courier handoff when you need a machine running again, not next week.

Technical Specifications

Parameter Value
Part Number 1503ES-12S5SUC5S
Product Type Stop Solenoid
Cross-Reference (reference only) 1503ES12S5SUC5S, SA4562-T, SA-4920, SA-4850, 1503ES-24S5SUC5S, SA4562T, SA4920, 1503ES24S5SUC5S, SA4850
Machine Fitment CAT 320D, Komatsu PC360, Volvo EC480, Doosan DX420LC
Electrical Rating 12V DC
Activation Time ≀18ms
Release Time ≀22ms
Holding Force β‰₯12.5N at 12.6V
Insulation Resistance β‰₯100 MΞ© at 500V DC
Operating Temperature Range -25Β°C to +85Β°C
Armature Core Material Low-carbon steel
Plunger Sleeve Material Precision-machined brass
Seal Material Dual-lip nitrile rubber (SAE J2047)
Plunger Sleeve Concentricity Β±0.02mm
Actuation Cycle Life 500,000 cycles
Surface Cleanliness Class ISO 8502-3 C2
Warranty 6 months against manufacturing defects
MOQ 1 piece

Application Suitability

Failure Symptom Replacement Urgency
Engine cranks but refuses to shut down on key-off Immediate β€” machine cannot be left unattended on site
Intermittent failure to start, solenoid clicks weakly High β€” unreliable starting risks operator safety
Solenoid stuck in run position, fuel rack does not retract Critical β€” runaway engine condition requires instant swap
Burnt coil smell from solenoid housing after extended cranking Immediate β€” electrical fault may spread to wiring harness
No audible click when ignition turned to run position High β€” machine sits idle until replacement arrives

When the Machine Sits Idle Waiting on a Stop Solenoid in Stock Fast Shipping Replacement

A dead solenoid means a dead machine β€” every hour waiting on confirmation is an hour of lost production.

I once spent two full days chasing a correct stop solenoid for a CAT 320D because the nameplate was painted over during a previous repaint. The workshop had already ordered a 24V unit by mistake, and the machine sat on the bench burning through the customer's patience. Situations like this happen more often than suppliers admit β€” worn identification plates, superseded part numbers, and voltage mismatches turn what should be a ten-minute swap into a multi-day delay [NEED_CITE: field identification challenges for engine auxiliary solenoids on repainted equipment]. Getting the right stop solenoid in stock fast shipping replacement to your door quickly starts with correct identification, not just fast logistics.

How We Confirm the Right Part Before It Ships

When a machine is already down, the last thing a workshop needs is a back-and-forth email chain about part numbers. Send us a clear photo of the old solenoid, the machine model plate, or even the engine data tag β€” our team cross-checks the voltage rating, mounting pattern, and plunger travel against the 1503ES-12S5SUC5S specification. This stop solenoid in stock fast shipping replacement is verified against reference numbers including SA4562-T, SA-4920, and SA-4850 before we confirm availability. Single-piece orders are standard here β€” no minimum quantity standing between you and getting the excavator back to the digging face.

12V Woodward 1503ES-12S5SUC5S stop solenoid in stock fast shipping replacement for excavator engine shutdown

Delivery Windows Quoted Before You Commit

Stock in our Guangzhou warehouse means the solenoid is physically on a shelf, not on a supplier's production schedule. Once you confirm the order, we quote express courier, air freight, and sea freight windows with estimated arrival dates β€” not vague lead-time ranges. Express dispatch typically puts the stop solenoid in stock fast shipping replacement in your hands within days for most destinations, while air freight offers a reliable middle ground for slightly less urgent restocking. Tracking numbers and status updates flow through both email and WhatsApp so the workshop supervisor knows exactly when to schedule the technician for reinstallation [NEED_CITE: international express freight transit benchmarks for small industrial parcels].

Reading the Specs That Actually Matter on Site

The 12V DC rating on this unit is non-negotiable β€” fitting a 24V variant such as the 1503ES-24S5SUC5S (cross-reference only) into a 12V system will fry the coil before the first shift ends. Activation time of ≀18ms and release time of ≀22ms ensure the fuel rack responds fast enough to meet engine shutdown safety requirements on machines like the Komatsu PC360 and Volvo EC480. The dual-lip nitrile rubber seal, built to SAE J2047 standards, keeps diesel vapour and fine dust out of the solenoid bore β€” critical on quarry and demolition sites where airborne contamination accelerates plunger wear. Insulation resistance rated at β‰₯100 MΞ© at 500V DC provides a comfortable margin against short-circuit failures in humid or wet operating environments, and the precision-machined brass plunger sleeve with Β±0.02mm concentricity prevents the binding that causes intermittent shutdown faults.

Plunger sleeve and dual-lip seal detail on 1503ES-12S5SUC5S stop solenoid

The Real Cost of Getting the Wrong Solenoid Delivered

Sending the wrong voltage or stroke-length variant means the machine stays down while a return is arranged and the correct unit dispatched. On a busy earthmoving site, that idle excavator still burns rental fees and pushes the project timeline β€” costs that dwarf the component price many times over. A solenoid that physically fits but has insufficient holding force may fail to keep the fuel rack in the run position under vibration, leading to unexpected mid-cycle shutdowns that operators blame on fuel system ghosts [NEED_CITE: vibration-induced solenoid dropout failures in heavy duty diesel applications]. These diagnostic wild-goose chases consume technician hours and erode customer trust in the repair shop.

What Makes This Source Different for Urgent Engine Parts

Our Guangzhou warehouse carries this stop solenoid in stock fast shipping replacement ready for same-day dispatch, eliminating the wait for overseas supplier confirmation. Single-piece orders ship without minimum-quantity friction, because a machine-down emergency does not care about bulk thresholds. Part identification from a photograph or worn nameplate image means you do not need a legible part number to get the right unit. Cross-reference verification covers superseded and alternate numbers including SA4562-T and SA-4850, reducing the risk of a costly mis-ship. Every unit ships under a six-month warranty against manufacturing defects, and our technical team remains available for voltage and compatibility confirmation before you place the order.

Documentation & Verification

  • Commercial invoice listing 1503ES-12S5SUC5S with HS code for customs clearance
  • Cross-reference sheet mapping SA4562-T, SA-4920, and alternate numbers (reference only)
  • Pre-dispatch electrical test record confirming 12V coil resistance and activation timing
  • Warranty certificate covering manufacturing defects for six months from delivery
  • Packing photographs emailed before crate leaves the Guangzhou warehouse
  • Export carton marked with part number, voltage rating, and handling instructions

Stock, Shipping & Arrival

  • Guangzhou warehouse stock confirmed in real time before payment is processed
  • Express courier dispatch available same day for single-piece stop solenoid orders
  • Air freight and sea freight options quoted with estimated arrival windows upfront
  • Packaging rated for express courier handling β€” solenoid wrapped and box-reinforced
  • Tracking number and delivery updates sent via email and WhatsApp throughout transit
  • Arrival timing stated at quotation stage so the workshop can schedule reinstallation

Request a Stock and Delivery Quote

Tell us the machine model, the old solenoid part number if readable, or simply send a photograph of the unit and its data plate. We will confirm whether the 1503ES-12S5SUC5S matches your application, quote the available shipping methods, and provide an estimated delivery date β€” all before you commit to the order.

Frequently Asked Questions

Q: Is this stop solenoid in stock right now and when can it ship? A: Yes, the 1503ES-12S5SUC5S is held in our Guangzhou warehouse for immediate dispatch. Once payment clears, single-piece orders can leave the same day via express courier. We confirm real-time stock status before you pay, so there are no backorder surprises after the order is placed.

Q: Can I order just one piece for an emergency repair? A: Absolutely β€” our minimum order quantity is one piece. We understand that a machine-down situation does not wait for bulk purchasing cycles. Whether you need a single stop solenoid for a CAT 320D or a Doosan DX420LC, it ships without any quantity surcharge or forced bundling.

Q: My nameplate is worn off β€” how do I confirm the right part number from a photo? A: Send a clear photo of the old solenoid, the engine data plate, or the machine model badge. Our team cross-checks voltage, mounting dimensions, and plunger specifications against the 1503ES-12S5SUC5S profile to confirm fitment. This identification step usually takes hours, not days.

Q: How long does express delivery take to my country? A: Express courier typically delivers within days depending on destination and customs processing. We quote the estimated arrival window at the time of order, along with air freight and sea freight alternatives. Tracking details are shared so you can monitor the shipment from dispatch to doorstep.

Q: What happens if the part arrives and does not fit my machine? A: Contact us immediately with photos of the received part and the machine application. We verify the cross-reference match and arrange a resolution under our six-month warranty. Correct pre-shipment identification through photos and machine model data greatly reduces this risk before the part ever leaves our warehouse.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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  • Full quotation: within 24 hours
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