PP.188-3.875
PP.188-3.875 - Image 2
PP.188-3.875 - Image 3

3 7/8 X 4 1/4 X 3/16
PISTON/ROD LOADED U-CUP SEAL
95 DURO TPU SHELL W/ 70 DURO
O-RING, SQUARE, STRAIGHT LIP

PP.188-3.875

Quantity Pricing (ea)
  • 1 for $17.30
  • 10 for $16.10
  • 25 for $14.70
  • 100 for $13.80
Stock & Availability (ea)
In Stock: 135
Inbound Stock: 0
Offsite Stock: 103 ($50 Line Min)
Expedited Shipping*: 06/22/2026
Standard Shipping: 09/08/2026
New Production: Unlimited ($250 Line Min)
Expedited Shipping*: 08/03/2026
Standard Shipping: 10/20/2026
*Add your desired qty and click ADD TO CART to see expedite fees and options.

Interchange Part Numbers

  • HERCULES P188-03.875
  • HI-TECH 18703875
  • Parker 461518703875

Additional information

Weight 0.01956 lbs
Material

Inside Diameter

3.875" – 3 7/8 (98.43 MM)
Height

0.188" – 3/16 (4.78 MM)
Outside Diameter

4.250" – 4 1/4 (107.95 MM)
Loader

O-Ring
Color

Size

.188-3.875
Style

Durometer