PP.188-4.375
PP.188-4.375 - Image 2
PP.188-4.375 - Image 3

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

PP.188-4.375

Quantity Pricing (ea)
  • 1 for $19.70
  • 10 for $18.30
  • 25 for $16.80
  • 100 for $15.80
Stock & Availability (ea)
In Stock: 0
Inbound Stock: 0
Offsite Stock: 163 ($50 Line Min)
Expedited Shipping*: 06/17/2026
Standard Shipping: 09/08/2026
New Production: Unlimited ($250 Line Min)
Expedited Shipping*: 07/29/2026
Standard Shipping: 10/19/2026
*Add your desired qty and click ADD TO CART to see expedite fees and options.

Interchange Part Numbers

  • HERCULES P188-04.375
  • HI-TECH 18704375
  • Parker 461518704375

Additional information

Weight 0.02197 lbs
Material

Inside Diameter

4.375" – 4 3/8 (111.13 MM)
Height

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

4.750" – 4 3/4 (120.65 MM)
Loader

O-Ring
Color

Size

.188-4.375
Style

Durometer