Caterpillar 8P-1672 Relief Valve Group (CA8P-1672)

The Caterpillar 8P-1672 Relief Valve Group (also cross-referenced as CA8P-1672) is a factory-configured, high-precision pressure relief valve assembly designed for hydraulic systems on Caterpillar track-type tractors and bulldozers. Engineered from high-grade alloy steel with a precision-machined spool and spring, this valve opens at a predetermined set pressure to protect critical power-train and steering circuits from overpressure. Factory-preset for reliable performance under variable load conditions, the 8P-1672 is ideal for models including the D6D, D6D SR, D6E SR, and D7G.

This assembly features:

• Durable alloy-steel construction for long service life

• Precision-set pop-off pressure (consult Caterpillar Service Manual for calibration)

• Integrated spring and spool elements for smooth pressure control

• OEM part number 8P-1672 (CA8P-1672 cross-reference)

• Genuine Caterpillar quality backed by standard parts warranty