4 PCS Glow Plug 185366190 TPN257 for Perkins 404D-22 – Fast Cold-Start Replacement

Product Specifications

Compatible Models

Struggling with Cold-Start Failures on Your Perkins 404D-22 Engine?

Every hour your generator or loader sits idle due to glow plug failure costs hundreds in lost productivity—especially on remote job sites or critical power backup systems. OEM replacements take weeks and cost 40% more. Counterfeit glow plugs fail within days, causing repeated cranking, battery drain, and cylinder damage. And sourcing correct parts across Perkins, FG Wilson, and AKSA equipment from multiple suppliers wastes engineering time.

OEM-Equivalent Performance, Stocked and Ready to Ship

This 4-piece set of Perkins glow plug replacements delivers immediate cold-start reliability for engines operating below 5°C. Built by ISO-certified factories with strict incoming material inspection and pre-shipment resistance/heat-cycle testing, each unit meets original Perkins thermal ramp specs (1000°C in ≤15 sec). Used daily by fleet operators maintaining FG Wilson P22-6 generators and Takeuchi TW40 loaders in Southeast Asia and the Middle East.

Where This Part Works

These glow plugs operate in high-duty-cycle environments: construction site backup generators running 16+ hours/day, mining support loaders in sub-zero Canadian winters, marine port gensets exposed to salt air, and demolition contractors relying on instant restarts between bursts of hydraulic hammer use. In these conditions, inconsistent heating or premature tip erosion leads directly to incomplete combustion, white smoke, and unburnt fuel washing down cylinder walls—accelerating wear on rings and liners. TPN257 glow plug replacement ensures consistent ignition timing across all cylinders under load.

Engineering Details That Matter

The ceramic insulator core is rated to 1200°C continuous duty and withstands thermal shock from rapid cooldown during shutdown. The nickel-chromium alloy heating element maintains stable resistance over 10,000 cycles—critical for applications requiring frequent start-stop operation like telehandlers and mobile gensets. Precision-machined M12×1.25 thread pitch ensures full seating depth and proper compression seal against combustion chamber pressure (up to 45 bar). Surface finish meets ISO 4287 Ra ≤0.8 µm, preventing carbon buildup at the tip that causes misfires after 500 operating hours.

The Real Cost of Wrong Parts

A $12 counterfeit glow plug may save $8 upfront—but risks $2,400 in downtime for a single-day outage on a 2 MW FG Wilson PH35E2 generator powering a data center. Poor thermal response increases cranking time, stressing starters and batteries. Inconsistent heat distribution causes uneven cylinder temperatures, leading to piston ring scuffing and increased oil consumption within 200 hours. OEM-equivalent specification compliance—not just part number matching—is verified per ISO 6788 and Perkins internal standard PES-1012. Total cost of ownership drops 63% when factoring in extended service intervals and avoided secondary failures.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static blister packs, then nested in molded EPE foam inside reinforced corrugated cardboard box
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking number provided upon dispatch, with proactive delay alerts
• MOQ is 1 piece—no minimum order value, supporting urgent field repairs

Get Your Glow Plugs Now

Your Perkins 404D-22 or FG Wilson P22E2 generator shouldn’t wait weeks for reliable cold starts. Send us your machine model, quantity, and destination—we’ll email a competitive quote within 24 hours. First-time buyers can request sample testing before bulk order. Every hour delayed is another hour your equipment remains offline.

Frequently Asked Questions