2147566 Seal O Ring Fits Caterpillar Models

One New Aftermarket Replacement Seal O-Ring for Caterpillar (Cat) Engines and Equipment

This aftermarket replacement O-ring (214-7566 / 2147566) is a Straight Thread O-ring (STOR) used in static sealing and select dynamic applications on Caterpillar engines, excavators, generator sets, and construction equipment. Made from FKM fluoroelastomer, it is resistant to fuel (including biodiesel), lubricants, and oils across a wide service temperature range of -40 to 150 degrees C.

Specifications

• O-Ring Type: Straight Thread O-ring (STOR)
• Material: FKM - Fluoroelastomer
• Hardness: 90 Shore A
• Inside Diameter: 0.351 in.
• Outside Diameter: 0.495 in.
• Cross Section Diameter: 0.072 in.
• Fitting Size: 7/16 - 20
• SAE AS568 Dash Size: -904
• Coating: PTFE (minimizes twisting and cutting during installation)
• Temperature Range: -40 to 150 degrees C
• Note: Not recommended for applications requiring resistance to water or coolant.

Compatible Models

Caterpillar Engines: 3114, 3116, 3126, 3126B, 3126E, 3176B, 3176C, 3406B, 3406C, 3406E, 3408, 3412, 3412C, 3456, 3508, 3508B, 3512, 3512B, 3516, 3516B, C-12, C13, C15, C18, C27, C32, C9, G3406, G3508, G3512, G3516, G3516B, G3520B

Caterpillar Excavators: 312D2, 312D2 L, 312E, 312E L, 313D2 LGP, 314E CR, 314E LCR, 316E L, 318D2 L, 318E L, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 322C, 322C FM, 323D L, 323D LN, 323D2 L, 323E L, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 324E, 324E L, 324E LN, 568 FM LL

Caterpillar Harvesters / Forestry: 2290, 235B, 2384C, 2390, 2391, 2470C, 2484C, 2491, 2570C, 2590, 2670C, 2864C

Caterpillar Generator Sets: 3406C, 3406E, 3412, 3412C, 3456, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C13, C13 XQ350, C15, C15 I6, C175-16, C175-20, C18, C18 I6, G3406, G3508, G3512, G3512E, G3516, G3516B, G3516C, G3516E, G3516H, G3520B, G3520C, G3520E

Caterpillar Wheel Tractor-Scrapers: 621K, 623K, 623K LRC, 627K, 627K LRC

Replaces Part Number(s):

2147566, 214-7566

Aftermarket Interchange Numbers

217-7566, 2177566

New aftermarket replacement part - not remanufactured, not used.