WESPC Oil Pressure Sensor T421762 For Perkins 404D-22 404D-22T 403D-15 403D-15T Engine

Application:

Oil Pressure Sensor T421762 is calibrated for the Perkins 400 Series engines—specifically the 403D-07, 403D-11, 403D-15, 403D-15T, 403D-17, 403F-15, 404A-22, 404D-22, 404D-22T and 404D-22TA turbocharged diesel variants (2.2 L to 4.4 L). These compact yet robust engines power Massey Ferguson 1700/1800/2400/3400 orchard and utility tractors, mini-excavators, skid-steer loaders, 30–120 kVA generator sets, forklift trucks, irrigation pumps and a wide range of light construction equipment used in agriculture, landscaping and material-handling markets worldwide.

Technical specifications:

Thread interface 1/8-27 NPT male with 19 mm hex and 12 mm probe reach for direct drop-in installation into the engine block oil gallery. Operating pressure range 0–10 bar (0–145 psi), warning threshold 0.8 ± 0.3 bar, resistance ladder 10 ± 3 Ω @ 0 bar, 52 ± 4 Ω @ 2 bar, 88 ± 4 Ω @ 4 bar, 124 ± 5 Ω @ 6 bar, 184 ± 10 Ω @ 8 bar.

Material & performance features:

Housing is precision-turned from brass alloy and nickel-plated for complete immunity to engine oil, diesel fuel and road salt; the sensing element is a laser-welded 1.4571 (AISI 316Ti) stainless-steel diaphragm with thick-film strain gauges for excellent long-term stability. Internal circuitry is protected by a two-stage over-voltage clamp and EMI filter compliant with SAE J1113-42, vibration-tested 50 g at 20–2 000 Hz, thermal-shock-tested 1 000 cycles –40 °C↔+130 °C, salt-spray-tested 96 h per ASTM B117, ensuring reliable low-oil-pressure warning and engine protection.

Interchange part numbers:

T421762, 10000-42176, 4224843M1, 4222210M1, 2755A022.

WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.

The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and a solid reputation, WESPC provides customers with diverse, one-stop solutions tailored to their needs.

Leveraging the global vision of its Hong Kong headquarters and the strategic location advantages of Dongguan, WESPC Dongguan is committed to building a highly efficient and reliable supply chain system, supported by professional technical expertise and comprehensive after-sales services, to continuously create greater value for its customers.

Looking ahead, the company will continue to expand its business landscape, keep pace with industry trends, and consistently enhance product and service quality—working hand in hand with global partners to achieve mutual growth and success.