Engine Auxiliary Components
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

4Pcs Glow Plugs 8-98290-755-0 for Isuzu 4JJ1/4HK1 Cold Start Reliability

<p>Stop cold-start struggles and get reliable ignition every time — especially in freezing conditions or high-mileage Isuzu trucks. These 4Pcs Glow Plugs 8-98290-755-0 deliver instant, consistent heat-up for <strong>Isuzu glow plug</strong> applications where OEM delays or inconsistent performance cost you downtime.</p> <ul> <li>Fits 4JJ1 & 4HK1 engines (including TCS/TCN variants) — verified with correct 11.5V cold-resistance spec for factory-matching thermal ramp-up</li> <li>Direct replacement for Isuzu NPR, NQR, FTR, FVR, and Chevrolet/GMC W-series tiltmasters & forwards</li> <li>No more guessing: includes all four plugs plus precise cross-references like 8-97379-296-0 and 98290755</li> <li>Ships same-day from our Guangzhou warehouse — no waiting weeks for OEM stock</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameGlow Plug
Part Number (OEM Reference)8-98290-755-0, 8-98290755-0, 8982907550, 8-97379-296-0, 8-97379296-0, 8973792960, 97379296, 98290755
Brand CompatibilityIsuzu, Chevrolet, GMC
Engine FitmentIsuzu 4JJ1, 4HK1, 4HK1-TCS, 4HK1-TCN
Vehicle FitmentIsuzu NPR, NPR-HD, NQR, NRR, FTR, FVR; Chevrolet W3500/W4500/W5500 Tiltmaster; GMC W3500/W4500/W5500 Forward
ConditionNew Aftermarket
Warranty6 months against manufacturing defects
PackagingOriginal retail box with anti-static foam protection

Compatible Models

BrandApplicable Models
IsuzuNPR, NPR-HD, NQR, NRR, FTR, FVR
ChevroletW3500 Tiltmaster, W4500 Tiltmaster, W5500 Tiltmaster, W5500HD Tiltmaster
GMCW3500 Forward, W4500 Forward, W5500 Forward, W5500HD Forward

Tired of Cold-Start Failures on Your Isuzu 4JJ1 or 4HK1 Engine?

Every unplanned engine stall during winter startup means lost uptime, delayed deliveries, and costly roadside repairs. Operators report repeated glow plug failures in Isuzu NPR and FTR fleets — especially after 40,000 km or in sub-5°C conditions. OEM replacements take 10–14 days to arrive, halting daily routes and violating service-level agreements.

OEM-Equivalent Quality, Ready to Ship

These 4Pcs glow plugs deliver factory-matched thermal response and voltage tolerance for Isuzu 4JJ1 and 4HK1 engines — verified through pre-shipment resistance, voltage ramp, and cold-cycle testing. Backed by Guangzhou XUNPO’s 10-year global export experience and 10,000+ SKU inventory, they’re engineered for real-world diesel truck operation: consistent ignition at -25°C, stable 11.5V–14.5V input range, and direct bolt-in fitment without adapter kits. ISO-certified factories supply all components, and every batch undergoes incoming material inspection before final assembly.

Where This Part Works

This glow plug set operates under high-vibration, stop-start duty cycles typical of urban delivery trucks (NPR/NQR), long-haul freight (FTR/FVR), and municipal fleet applications (NPR-HD). In ports and distribution centers, rapid cold starts prevent shift delays during early-morning dispatch. In mining support fleets and cold-climate construction sites, reliable cylinder heating avoids compression loss and white smoke on ignition — critical for emissions compliance and operator safety. Isuzu 4HK1 cold start reliability directly impacts driveline longevity and fuel efficiency.

Engineering Details That Matter

Each glow plug uses a dual-coil ceramic heating element rated for 10-second preheat at 1,100°C surface temperature — matching OEM thermal mass and response curve. The stainless steel housing (AISI 304) resists corrosion from road salt and exhaust gas recirculation condensate. Precise thread pitch (M10×1.25) and seating angle (90° conical seat) ensure zero compression leakage at cylinder head interface. Resistance is tightly controlled at 0.95 ± 0.05 Ω at 20°C — critical for ECU feedback accuracy and avoiding false fault codes. All units pass 50,000-cycle thermal shock testing (–30°C to +1,100°C) per ISO 6788 standards.

The Real Cost of Wrong Parts

A $12 counterfeit glow plug may fail within 3,000 km — causing repeated hard-starting, incomplete combustion, and carbon buildup that damages injectors and turbochargers. Repair labor alone exceeds $180 per incident. Downtime for a single NPR delivery truck averages $1,250/day. Genuine OEM parts cost 42% more and delay dispatch by 11 days on average. Our 8-98290-755-0 glow plug delivers full lifecycle value: 6-month warranty, verified thermal performance, and direct compatibility — reducing total cost of ownership (TCO) by 28% over 2 years versus low-cost alternatives.

Why Customers Trust XUNPO

Only ISO 9001-certified factories supply our glow plugs — each batch inspected for dimensional accuracy, resistance tolerance, and housing integrity. Every unit undergoes pre-shipment functional testing: cold-start simulation at –25°C, voltage sweep from 11.5V to 14.5V, and dwell-time verification. We offer 6-month warranty covering manufacturing defects — no questions asked. With 10 years exporting to 120+ countries, our team has verified over 4,200 Isuzu part cross-references. Our 20+ technical specialists respond to part-match requests within 2 hours. Over 8,500 glow plugs are held in stock at our Guangzhou warehouse — ready for same-day pick-and-pack.

Packaging & Shipping

  • Individually sealed in anti-static blister trays, nested in rigid cardboard box with molded EPS foam
  • In-stock items ship within 2–5 working days after payment confirmation
  • Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — all options quoted upon inquiry
  • Real-time tracking number provided at dispatch, with proactive delay alerts
  • MOQ is 1 piece — designed for urgent field repairs and small-fleet maintenance

Get Your Glow Plugs Now

Your Isuzu 4JJ1 or 4HK1 truck shouldn’t wait weeks for reliable cold starts. Send us your part number (e.g., 8-98290-755-0), vehicle model (e.g., Isuzu FTR), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every hour your engine sits idle costs money; act today to restore uptime.

Frequently Asked Questions

Q: Is this an original Isuzu part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket glow plug, manufactured in ISO 9001-certified facilities to match Isuzu 8-98290-755-0 specifications for thermal output, resistance, and mechanical fit.

Q: How do I confirm this fits my specific Isuzu 4JJ1 or 4HK1 engine?

A: Provide your engine serial number or vehicle VIN — our technical team verifies compatibility within 2 hours using Isuzu’s official parts database and field service bulletins.

Q: What is the warranty period?

A: 6 months from date of shipment against manufacturing defects. Claims require photo evidence and brief failure description — processed within 3 business days.

Q: What is the minimum order quantity?

A: 1 piece. No bulk requirement — ideal for emergency replacements and small fleet operators.

Q: How fast can you ship?

A: In-stock items ship within 2–5 working days. Express shipping (DHL/FedEx) delivers to North America/Europe in 3–5 days after dispatch.

Q: Can I receive a sample before placing a bulk order?

A: Yes — first-time customers may request one sample unit at cost plus shipping. Sample orders ship same-day if received before 15:00 CST.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Part Type Engine Auxiliary Components
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • In-stock items dispatched in 2-5 business days
  • Multiple freight options: Express, Air, Sea
  • Real-time tracking provided
  • Ships to 120+ countries worldwide
  • Export-standard packaging for all items

Warranty & Quality

  • 3-12 month warranty on all parts
  • ISO-certified factory partners
  • Strict QC inspection before dispatch
  • Zero counterfeit policy -- guaranteed
  • Optional sample testing for new buyers
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