Oil Seal Cummins 3693669 | 5265267, 4946755

High-Performance Cummins 3693669 Oil Seal

The Cummins 3693669 oil seal is a critical component engineered to maintain the integrity of your heavy-duty diesel engine’s lubrication system. By creating a secure barrier between rotating and stationary shafts, this rotary shaft seal prevents lubricant leakage and blocks external contaminants from entering the system. This part is also available under the numbers: 5265267, 4946755.

Key Features and Benefits

• Durable Construction: Manufactured from robust synthetic rubber and elastomer materials to withstand high temperatures and pressures.
• Spring-Energized Lip: Features a specialized spring-loaded sealing lip that maintains constant, tight contact with the rotating shaft.
• Enhanced Engine Protection: Prevents oil from escaping the crankshaft, flywheel housing, or lower engine gasket kit, reducing friction and wear on moving parts.

Engine Compatibility

This oil seal is designed to fit a wide range of Cummins engine series, including:

• F2.8 Series: F2.8 CM2620 F135B, ISF2.8 CM2220 F117, ISF2.8 CM2220 F129
• G Series: ISG11 CM2880 G108, ISG12 CM2880 G107, ISG12 G CMOH6.0 G111
• QSF2.8 Series: QSF2.8 CM2880 F104, QSF2.8 CM2880 F105, QSF2.8 CM2880 F108, QSF2.8 CM2880 F114
• QSG12 Series: QSG12 CM2880 G112, QSG12/X12 CM2350 G110
• R2.8 Series: R2.8 CM2220 R101B
• X Series: X11 CM2670 X126B, X12 CM2670 X121B, X12N CMMDG1 X143B, X13 CM2670 X122B

Product Specifications

• Weight: 0.33 lb
• Package Dimensions: 6.3 x 1.57 x 6.3 inches

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 3693669
• 5265267
• 4946755