High-quality 1R-0739 engine oil filter for CAT 312, 320, 325, and 330 excavators. Standard efficiency filtration designed to protect lubrication systems from harmful particles and wear.
The 1R‑0739 Oil Filter is a widely‑used standard‑efficiency lube filter designed for medium‑duty and legacy Caterpillar diesel engines. It removes metal wear particles, soot and oil‑borne contaminants from engine lubrication oil, protecting crankshaft bearings, camshafts and cylinder components from premature wear and extending overall engine service life.
| Technical Parameter | Specification Details |
|---|---|
| Part Number | 1R‑0739 (1R0739) |
| Filtration Efficiency | Standard Efficiency |
| Main Materials | Heavy‑Duty Steel Canister + Premium Filter Media |
| Sealing Material | Nitrile Rubber (NBR) Heat‑Resistant Gasket |
| Core Function | Engine Lubricating Oil Cleaning & Contaminant Removal |
This spin‑on oil filter fits a broad range of classic and mid‑generation CAT excavators:
311 / 312 Series: 311C, 311D, 312B, 312C, 312D L
320 Series: 320, 320B, 320C, 320D, 320D GC, 320D L, 320D LN
322 / 325 Series: 322B L, 325A, 325B L, 325C
330 Series: 330A L, 330B LN, 330 L
Legacy Heavy‑Duty Models: 235B, 235C, 235D, EL240C
Cost‑Effective Standard‑Grade Filtration: Perfect for general‑use construction machinery, delivering stable engine protection with low operational cost.
High‑Pressure Resistant Housing: Reinforced steel shell and rigid center tube prevent filter element collapse during cold‑start high‑pressure surges.
Low‑Restriction Oil Flow: Balanced media structure ensures efficient filtration with minimal pressure drop, supplying clean oil to critical components instantly.
Wide‑Temperature Sealing Performance: Premium NBR gasket maintains leak‑proof sealing under extreme working‑condition temperature changes.
For bulk wholesale, technical consultation and filtration‑system solutions:
Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]
