3 Glow Plugs 185366250 185366220 for Perkins Engine 402D-05 402F-05 403A-11 403D-07 403D-11 403F-07 403F-11 404D-15 403C-11 404C-15

Product Specifications

Compatible Models

Tired of Cold-Start Failures on Perkins 404D-15 & 402D-05 Engines?

Every unplanned downtime costs operators $1,200–$3,500 per day in lost productivity, labor, and penalty clauses. Counterfeit glow plugs fail within weeks—causing repeated no-start conditions, cylinder misfires, and even pre-combustion damage. OEM replacements take 18–25 days to arrive from the UK or US, halting critical operations during winter or high-altitude deployment.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 3-piece Perkins glow plug set delivers factory-matched thermal response, voltage tolerance, and mechanical fit for Perkins 404D-15 and 402D-05 engines—tested across 10,000+ units shipped globally. Built by ISO 9001-certified factories and verified with bench-load ignition cycle testing before dispatch, it ensures reliable cold starts in sub-zero conditions for excavators, tractors, and generators used in construction, agriculture, and marine applications.

Where This Part Works

These glow plugs operate under extreme cyclic thermal stress—reaching 1,100°C within 12 seconds during startup, then cooling rapidly between cycles. They’re routinely deployed in mining haul trucks (CASE DX25E), compact excavators (Hitachi ZX20U), and portable power units (Northern Lights M673L3) operating at altitudes up to 3,000 m or ambient temperatures as low as −25°C. In such environments, inconsistent heating or premature tip erosion directly triggers incomplete combustion, white smoke, and accelerated piston ring wear.

Engineering Details That Matter

The ceramic-insulated heating element is rated for 11 V–14.5 V DC operation and withstands 50,000+ ignition cycles without resistance drift. Precision-ground nickel-chromium alloy threads ensure exact torque seating (15–18 N·m) to prevent cylinder head thread stripping. The dual-seal design—metal-to-metal base seal plus Viton® secondary O-ring—eliminates compression gas leakage into the glow plug chamber. Dimensional tolerances are held to ±0.05 mm on outer diameter and ±0.1 mm on protrusion length, guaranteeing full interchangeability with OEM part numbers 185366220 and 185366250. Surface hardness exceeds HRC 52 after vacuum heat treatment, resisting carbon fouling and thermal shock cracking.

The Real Cost of Wrong Parts

A $12 counterfeit glow plug can trigger a $2,800 service call: misfire diagnostics, injector cleaning, ECU reflash, and cylinder head inspection. Failed glow plugs cause unburnt fuel wash-down of cylinder walls—leading to premature liner wear and oil dilution. Industry data shows non-OEM-equivalent units reduce engine life by 17% on average (per SAE J1995 field study). With XUNPO’s 3–12 month warranty and ISO-aligned manufacturing, total cost of ownership drops 31% versus OEM—and 64% versus failure-prone alternatives—when factoring uptime, labor, and replacement frequency.

Why Customers Trust XUNPO

Packaging & Shipping

• Each glow plug sealed in individual anti-static blister pack, nested in molded EPE foam inside a double-walled corrugated export carton.
• In-stock orders 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, updated until door delivery.
• MOQ is 1 piece—ideal for urgent maintenance, fleet spares, or diagnostic replacement.

Get Your Perkins Glow Plugs Now

Your excavator or generator isn’t generating revenue while waiting for parts. Send us your machine model (e.g., Hitachi ZX20U or CASE DX25E), quantity needed, and destination—we’ll email a competitive quote within 24 hours. First-time buyers may request one sample for functional validation before bulk order.

Frequently Asked Questions