18-7167 Marine O-Ring Click here to shop for this part on ebay.com 18-7167 Marine O-Ring ID: 3.625, Width: 0.135 GLM Part Number: 82390; Sierra Part Number: 18-7167; Mercury Part Number: 25-47254; OMC Part Number: 310414 WorksWith Evinrude 100 HP 1966 Model 100683 100693 Johnson 100 HP 1966 Model V4ML-12 Evinrude 100 HP 1967 Model 100782 100783 Johnson 100 HP 1967 Model V4T-13, V4TL-13 Evinrude 100 HP 1968 Model 100882 100883 Johnson 100 HP 1968 Model V4T-14, V4TL-14