SEAL 3S3978SEAL 3S3978SEAL 3S3978SEAL 3S3978SEAL 3S3978
SEAL 3S3978SEAL 3S3978SEAL 3S3978SEAL 3S3978SEAL 3S3978

3S3978 - SEAL O RING

fits Caterpillar
OEM price: $7.46 $0.67 ea.
Condition:  New Aftermarket
Stock: 
Texas
Weight:  0.01 lbs   (0.01 kg)
Length:  9 in   (22.86 cm)
Height:  7 in   (17.78 cm)
Width:  0.2 in   (0.51 cm)
Rate:
Shipping cost: $19.95 United States (US)
Delivery:  3-10 days
Returns:  30 days Return and refund policy
payments
* AFTERMARKET.EXPRESS is not an authorized dealer for Caterpillar and we don't represent it. Our catalog contains replacement parts manufactured with high quality standards but not Original Equipment from the Manufacturer. We use original product codes, photos or schemas only for reference purposes. The image of the product is provided as a reference and may differ in appearance from the ordered product. Use the original part number to find the parts or replacements you need.

Offers for 3S3978

Found 4 offers
3S3978
SEAL
NEW AFTERMARKET
Tennessee
$0.60
3S3978
SEAL O RING
NEW AFTERMARKET
Texas
$0.67
3S3978
SEAL O RING
NEW AFTERMARKET
Florida
$0.67
3S3978
SEAL
NEW AFTERMARKET
Tennessee
$1.56

Interchange for 3S3978

Found 3 offers
Seal
Seal
AFTERMARKET
Kentucky
Price: $4.99
Seal
Seal
AFTERMARKET
Kentucky
Price: $4.99
O-ring
O-ring
AFTERMARKET
Texas
Price: $8.97

About spare part 3S3978

3S3978 - SEAL O RING fits Caterpillar (Aftermarket Parts)
Brand: Caterpillar (Aftermarket Parts)
OEM code: 3S3978
Dimensions
Seal Inside Dia (mm): 139.80 mm
Cross Section Diameter (mm): 4.88 mm, 4.9
Application(s): Ebullient cooled engine cooling systems
Material: EPDM (70), EPDM - Ethylene Propylene Diene Modified
Not Compatible With: Aromatic fuels
Compatible With: Alcohols
Temp.: -55° - 135° C-67° - 275° F
Inside Diameter (mm): 139.8
Inside Diameter (in): 5.5
Cross Section Diameter (in): 0.19
Material Description: EPDM provides excellent performance in Coolant/Urea applications, and also works well in Air. Do not use in Engine Oil, Diesel Fuel, Hydraulic Oil, Automatic Transmission Fluid or Biodiesel. It has good abrasion and cut resistance.
Coating: None
Shipping cost: $19.95 United States (US)
Delivery:  3-10 days
Returns:  30 days Return and refund policy

Fits equipment

Equipment typeModel
ENGINE - INDUSTRIALSR4
ENGINE - MARINED343; D346; D348

Fits aggregates

Part IDNameSection
3N9432MARINE SOCIETY SPARE PARTS KITMARINE GEAR
3N9433MARINE SOCIETY SPARE PARTS KITSMARINE GEAR
3N9428MARINE SOCIETY SPARE PARTS KITMARINE GEARS
3N9429MARINE SOCIETY SPARE PARTS KITMARINE GEARS
3N9208MARINE SOCIETY SPARE PARTS KITATTACHMENTS AND SERVICE EQUIPMENT
3N9209MARINE SOCIETY SPARE PARTS KITATTACHMENTS AND SERVICE EQUIPMENT
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