Dpa Cam Ring

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

27 来源

The DPA cam ring is a critical internal component of the CAV DPA rotary fuel injection pump, primarily used in diesel engines for agricultural tractors (Perkins, Massey Ferguson, Ford) and light commercial vehicles. It serves as the internal profile that forces pumping plungers inward to compress fuel, directly dictating injection timing and pressure.

Product & Technical Insights

* Precision Engineering: DPA cam rings are manufactured with high-precision internal lobes to ensure exact diesel injection timing. Wear on these lobes is a common cause of engine performance degradation.

* Compatibility: Major brands include CAV, Lucas, and Delphi. Specific models like the 7123-308T and 7139-974D are widely sought after for Perkins 4.236 and Fiat engine pumps.

* Pricing: Individual aftermarket cam rings typically range from $40 to $50 on B2B platforms, while complete rebuilt DPA pumps using new cam rings cost between $400 and $1,800.

Market Trends (2025–2026)

* Robust Aftermarket Demand: Despite the global shift toward Electric Vehicles (EVs), the demand for DPA cam rings remains stable due to the massive existing fleet of mechanical diesel engines in the agricultural and heavy-duty sectors Goldfarbinc.

* Emerging Hubs: Manufacturing and export activity is highly concentrated in the Asia-Pacific region, with notable production clusters in Pakistan (Ideal Automotive System) and China (Putian/Taian regions) Facebook.

* Steady Growth: The global automotive fuel injection pump market is projected to grow at a CAGR of ~8.59% to 11.25% through 2035, driven by infrastructure development and agricultural needs in developing nations Marketresearchfuture.

* Technological Transition: While new engine designs favor Electronic Fuel Injection (EFI), the cost-effectiveness and reliability of mechanical DPA systems ensure they will remain a core part of the replacement part market for at least the next decade.

I have compiled a list of current product offerings from verified suppliers, including specific part numbers and bulk pricing details.

Based on the current DPA cam ring market, here are your next steps:

Sources & References

27 sources cited · Verified industry data & reports

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Dpa Cam Ring

Overview

Product & Technical Insights

Market Trends (2025–2026)

Cav Dpa Cam Ring For Fuel Injection Pump

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Sources & References