Engine Auxiliary Components
Spark Plug Wire 3966404 for Cummins Engine B5.9 ISB5.9G
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Engine Auxiliary Components 3966404 CM556 CM2180 Cummins B5.9

Spark Plug Wire 3966404 for Cummins Engine B5.9 ISB5.9G

Keep your Cummins B5.9 or ISB5.9G engine running at peak performance with the reliable Spark Plug Wire 3966404, designed to deliver consistent ignition for CM556 and CM2180 models. This precision-engineered replacement ensures optimal spark transmission, reducing misfires and extending equipment uptime when you need it most.

  • Perfect fit for Cummins B5.9 GAS PLUS, LPG PLUS, and ISB5.9G engines with CM556/CM2180 control modules
  • Constructed to meet OEM specifications, ensuring seamless integration and long-lasting durability
  • Quick installation minimizes maintenance delays, getting your machinery back to work faster

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

Product Specifications

ParameterDetails
Part NameSpark Plug Wire
Replacement Part Number3966404
BrandFridayParts
Compatible Engine BrandCUMMINS
Engine Model FitmentB5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, ISB5.9G CM2180
ConditionNew Aftermarket
Warranty3-12 months against manufacturing defects

Compatible Models

BrandApplicable Models
CUMMINSB5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, ISB5.9G CM2180

Stranded by Faulty Ignition? Genuine Quality Spark Plug Wire 3966404 for Cummins B5.9 Engines

Every minute of engine downtime costs construction and mining operations hundreds of dollars in lost productivity. Faulty spark plug wires cause misfires, reduced power, and even complete engine failure—often at the worst possible moment. When you need a replacement for your Cummins B5.9 or ISB5.9G engine, waiting 2-4 weeks for overpriced OEM parts isn't an option, and risking counterfeit components only leads to more downtime.

OEM-Equivalent Performance, Available for Immediate Shipment

The Spark Plug Wire 3966404 is engineered to meet the exact specifications of Cummins B5.9 GAS PLUS CM556, B5.9 LPG PLUS CM556, and ISB5.9G CM2180 engines. As a professional supplier with 10 years of global export experience, we source exclusively from ISO-certified factories and subject every part to rigorous pre-shipment testing. Our Guangzhou warehouse stocks over 10,000 SKUs, ensuring this spark plug wire is available for same-day shipping—no more waiting for critical repairs.

Essential for Reliable Engine Operation

This spark plug wire plays a critical role in delivering high-voltage current from the ignition coil to the spark plugs in Cummins gas and LPG engines. Whether your equipment operates in dusty construction sites, high-temperature mining environments, or heavy-duty port applications, maintaining proper ignition system integrity is essential for fuel efficiency, engine performance, and emissions compliance. A failing wire can cause incomplete combustion, increased fuel consumption, and premature wear on engine components.

Precision Engineering for Longevity

Our Spark Plug Wire 3966404 features high-temperature silicone insulation rated for the extreme operating conditions of Cummins B5.9 engines. The copper conductor core ensures maximum current transfer with minimal resistance, while the reinforced outer jacket resists abrasion, oil, and chemical damage. Each wire is precision-cut to OEM length specifications, ensuring proper fitment without modification. These engineering details translate to consistent performance, reduced maintenance intervals, and extended service life compared to generic replacement wires.

The Hidden Cost of Substandard Ignition Parts

Choosing cheap, uncertified spark plug wires may save money upfront, but the long-term costs are substantial. Counterfeit wires typically fail within 3-6 months—half the lifespan of quality components—leading to repeat repairs and unplanned downtime. A single engine misfire can damage pistons, valves, and catalytic converters, resulting in repair bills 10-20 times the cost of a quality replacement wire. Our ISO-certified Spark Plug Wire 3966404 delivers OEM-equivalent reliability at a fraction of the price, reducing your total cost of ownership.

Why 120+ Countries Trust XUNPO for Engine Parts

Our commitment to quality and service has made us a trusted supplier to equipment operators worldwide: We partner only with ISO 9001-certified manufacturers, conduct incoming material inspections on every batch, and perform 100% performance testing before shipment. Each Spark Plug Wire 3966404 comes with a 3-12 month warranty against manufacturing defects. Our technical team of 20+ industry experts provides part verification within 2 hours, ensuring you get the right component the first time. With 10 years of export experience and 120+ country shipping records, we understand the critical nature of your equipment repairs.

Packaging & Shipping

  • Individually packaged in anti-static bags with protective foam inserts to prevent damage during transit
  • Ready for immediate dispatch from our Guangzhou warehouse—ships within 2-5 working days
  • Flexible shipping options: Express (DHL/FedEx/UPS), air freight, or sea freight to match your urgency and budget
  • Real-time tracking number provided upon shipment for full visibility
  • Minimum order quantity of 1 piece to support emergency maintenance needs

Get Your Engine Back to Full Power

Don't let a faulty spark plug wire keep your Cummins-powered equipment offline. Every day of downtime means lost revenue and missed deadlines. Our Spark Plug Wire 3966404 is in stock now and ready to ship—send your inquiry today for a competitive quote within 24 hours. First-time customers can request sample testing to verify quality before placing bulk orders.

Frequently Asked Questions

Q: Is this an OEM part or aftermarket replacement?

A: This is an OEM-equivalent aftermarket spark plug wire, manufactured by ISO-certified factories to meet Cummins specifications.

Q: How can I confirm this wire fits my Cummins engine?

A: Provide your engine model (e.g., B5.9 GAS PLUS CM556) or serial number, and our technical team will verify compatibility within 2 hours.

Q: What warranty coverage does this spark plug wire include?

A: We offer a 3-12 month warranty against manufacturing defects. Contact us with details of any issues for prompt replacement.

Q: What is the minimum order quantity for this part?

A: We accept orders for 1 piece, ideal for emergency repairs or testing before bulk purchases.

Q: How quickly can you ship the Spark Plug Wire 3966404?

A: In-stock items ship within 2-5 working days. Express shipping options are available for urgent requirements.

Q: Can I request a sample before placing a large order?

A: Yes, first-time clients can request sample testing to verify quality and fitment before bulk orders.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com

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
Get a Fast Quote

Inquire About This Product

Fill in your details and we'll respond within 24 hours with a competitive quote.

Our Response Guarantee
  • Part verification: within 2 hours
  • Full quotation: within 24 hours
  • Support available 24/7 via WhatsApp
10+
Years Export
10K+
SKUs Available
120+
Countries Served
24/7
Expert Support