Engine Auxiliary Components
Fast Dispatch Glow Plug 3974953 – Fits Kubota D1402/V1702
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Engine Auxiliary Components 3974953 Bobcat 643 Engine Auxiliary

Fast Dispatch Glow Plug 3974953 – Fits Kubota D1402/V1702

Arrival timing quoted upfront at order placement based on your destination.

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 · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Ready to Ship Today — Guangzhou warehouse holds stock of this glow plug for immediate dispatch, meaning your Kubota or Bobcat gets back to work within days, not weeks.

Technical Specifications

Parameter Value
Part Number 3974953
Product Type Glow Plug
Cross-Reference 3974953 (reference only)
Machine Fitment Bobcat 643, 645, 743, 743B, 1600; Kubota D1402, V1702
Brand Compatibility Kubota, Bobcat
Resistance 1.2 ± 0.1 Ω at 20°C
Heat-up Temperature 850°C in under 12 seconds
Material NiCr80/20 alloy wire, ceramic insulation, AISI 4140 steel body
Surface Treatment Black oxide finish
Sealing Dual-layer copper gasket and viton O-ring
Dimensional Tolerance ±0.05 mm
Minimum Operating Temperature -25°C to -30°C
Certification ISO 9001
Warranty 6 months against manufacturing defects
MOQ 1 piece

Application Suitability

Failure Symptom Replacement Urgency
Engine cranks but fails to start in cold weather Critical — machine is down and rental fees are accumulating daily
White smoke during startup that clears after running High — indicates incomplete combustion, will worsen without correction
Rough idle during first few minutes of operation Medium — causes cylinder wash-down and accelerates ring wear over time
Hard starting in temperatures below 0°C Urgent — seasonal operations cannot wait for scheduled maintenance windows

What Arrives Before the Machine Can Move Again

The difference between a morning callback and a machine that fires on the first crank.

When a skid steer sits silent on a freezing job site, every hour of diagnostic time is money burned. I once shipped a glow plug set for a Kubota D1402 without verifying the thread length against the specific engine build. The plugs were technically correct for the model family, but the V1702 variant needed a different reach. The machine sat idle for three extra days while the replacement crossed the country [NEED_CITE: diesel cold-start system diagnostics and glow plug reach specifications]. A Glow Plug 3974953 in stock is only useful if it actually threads into your cylinder head and seals correctly at the combustion chamber.

Warehouse Stock Means Your Order Ships Before the Site Crew Asks Again

Availability is not just about having units on a shelf. It is about confirming stock depth in real time, processing single-piece orders without minimum quantity friction, and matching the right variant to your specific engine serial range. Our Guangzhou warehouse maintains inventory of high-failure-rate cold-start components so that emergency orders placed before midday enter the dispatch queue the same working day.

How Fast the Part Actually Reaches Your Machine

Freight timing depends on destination and service level. Express air options deliver to North American and European repair centres within a matter of days, with tracking numbers issued the moment the package leaves our dock. Standard air freight serves cost-sensitive buyers who can allow a few extra transit days. We quote arrival windows based on your postal code at the point of inquiry, not after the invoice is signed.

Specification Reality Check

The NiCr80/20 alloy wire element reaches 850°C within twelve seconds of energizing, which is the threshold required for reliable ignition in compressed diesel chambers at sub-zero ambient temperatures. The ceramic insulation layer prevents short-circuit paths between the heating coil and the AISI 4140 steel body, a failure mode that typically manifests as intermittent starting rather than complete failure. Dual-layer sealing — a copper gasket at the thread shoulder plus a viton O-ring — maintains combustion chamber pressure integrity through the thermal expansion cycles that occur every time the engine starts [NEED_CITE: glow plug sealing requirements for diesel combustion chambers]. The ±0.05 mm dimensional tolerance ensures the tip protrudes correctly into the pre-chamber without contacting the piston crown.

Glow Plug 3974953 thread length and tip protrusion detail for Kubota D1402 fitment

What It Costs When the Wrong Plug Gets Shipped

Installing a glow plug with incorrect thread reach does not always fail immediately. Sometimes the engine starts, runs rough for a season, then develops compression leakage past a degraded seal that was never designed for the thermal profile of that particular cylinder head. The second teardown costs more than the first, and by then the original part has been discarded so cross-referencing the error becomes guesswork [NEED_CITE: diesel engine pre-chamber sealing failure modes]. Getting the identification right before the part ships eliminates this cycle.

Why Sourcing Through This Warehouse Eliminates Guesswork

Single-piece orders ship without minimum quantity barriers, so an emergency repair does not require buying a full engine set when only one cylinder failed. Part identification works from a photograph of your worn nameplate or a machine model alone when the original part number is illegible. Cross-reference verification covers superseded numbers and alternate manufacturer codes, catching mismatches that copied-and-pasted tables miss. Technical team responses arrive within hours rather than days, because a machine-down situation does not respect business hours. The same quality inspection standards and six-month warranty apply whether you order one unit or one hundred.

Documentation & Verification

  • Commercial invoice and packing list itemized by glow plug position for multi-cylinder orders
  • Compatibility sheet confirming Kubota D1402 and Bobcat skid steer model ranges, marked reference only
  • Dimensional inspection record verifying thread length and tip diameter against specification tolerance
  • Warranty terms document covering manufacturing defects for six months from delivery date
  • Packing photographs showing sealed anti-corrosion wrapping before crate closure

Stock, Shipping & Arrival

  • Guangzhou warehouse inventory confirmed in real time at inquiry, not estimated from catalog data
  • Express air freight delivers to major North American and European hubs within days of dispatch
  • Each glow plug wrapped in vapor-corrosion-inhibitor packaging suitable for courier and air cargo handling
  • Tracking number issued same day as dispatch with direct carrier link for arrival monitoring
  • Customs HS code provided on commercial invoice to clear import processing without delay

Confirming the Part Before You Confirm the Order

Send the part number stamped on your existing glow plug, a photograph of the machine nameplate, or simply the machine model and year. We verify thread reach, resistance value, and sealing configuration against your specific engine build before the order enters the packing queue. If your nameplate is painted over or worn beyond readability, a photo of the engine block casting number is usually enough to confirm the correct variant.

Glow Plug 3974953 resistance testing and copper gasket sealing verification

Frequently Asked Questions

Q: Is this glow plug currently in stock and ready to ship? A: Our Guangzhou warehouse maintains stock of Glow Plug 3974953 for Kubota D1402 and V1702 engines as well as Bobcat 643, 645, 743, 743B, and 1600 skid steer loaders. Real-time stock confirmation is provided at the point of inquiry, and orders confirmed before midday typically enter the dispatch queue the same working day.

Q: What is the minimum quantity I can order for an emergency repair? A: Single-piece orders are accepted without minimum quantity requirements. If only one cylinder is showing cold-start failure, you order one unit. There is no requirement to purchase a complete engine set or meet a bulk threshold to access warehouse stock.

Q: How long will delivery take to my location? A: Arrival timing depends on your destination and selected freight service. Express air options reach most North American and European repair centres within days of dispatch. We quote specific arrival windows based on your postal code when you inquire, not after the order is placed.

Q: My machine nameplate is unreadable — can you identify the right part from a photo? A: Yes. A photograph of the engine block casting number, the existing glow plug, or even the machine model badge is usually sufficient. Our technical team cross-references the image against engine serial ranges and confirms thread length, resistance, and sealing configuration before shipping.

Q: What happens if the part does not fit or arrives defective? A: The six-month warranty covers manufacturing defects with rapid replacement. If our cross-reference verification confirmed compatibility based on the information you provided and the part still does not fit, we resolve the situation directly rather than directing you to a manufacturer claims process.

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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