294183-0160 Diesel Fuel Feed Pump Cover Plate

🔧 294183-0160 - Feed / Inlet Pump Plate for Denso HP3/HP4 Systems

294183-0160 feed (inlet) pump plate is a compact, precision component that plays an outsized role in the hydraulic behavior of Denso HP-series fuel pumps. Installed at the pump's inlet stage, this plate governs low-pressure feed geometry into the pumping elements - directly affecting priming, cavitation resistance, and steady fuel supply under transient loads. Replacing a worn plate is a fast, cost-effective way to restore pump stability without a full pump exchange.

- ensures each pump stroke receives the correct fuel volume, reducing pressure spikes and erratic priming. 

- proper inlet metering minimizes vapor formation and protects rotors and seals.

Cost-effective rebuild element - often included in overhaul kits; replacing the plate can return performance close to OEM levels at a fraction of the cost

Hardened alloy or stainless steel with abrasion-resistant finishing to withstand particulate exposure and fuel additives.

Micro-polished orifice and mating face to reduce turbulence and ensure repeatable flow characteristics. 

Sold individually or within pump rebuild kits (may include seals/gaskets). Confirm whether you're ordering a single plate or a kit.

294183-0160 (often listed together with 294183-0030 / 294183-0050 in catalogs). 

HP3 / HP4 fuel pump families (used across diesel trucks, excavators, and industrial generators). 

Small, lightweight component - packaged weight typically ~0.3–0.4 kg 

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