Author Archives for kandpadmin
- March 5, 2026
- Not categorized
- Posted by kandpadmin
- Comments Off on S57
Lube both o-rings with clean oil.
Filter is designed to be just slightly smaller than factory to allow for variances in factory filter cavities.
Filter Number S57
MSRP USD: $119 Cover O-Ring -230 Thread or ID Overall Diameter Overall Length Bypass, Closed End or I.D. in .965 2.2 3.9 .965 mm 24.51 55.88 99.06 24.51
- February 11, 2026
- Not categorized
- Posted by kandpadmin
- Comments Off on S413
Ensure quad ring is fully seated in housing groove and lube with clean oil before installation.
Quad ring can normally be used for several oil changes.
Included cup wrench fits over machined flats on bottom cooling fin.
Torque filter to either factory specs or 18-20 lb ft, whichever is less
Filter Number S413
MSRP USD
Finish Options:
Machine Finish (shown) = $449 Anodized Black = $479 (Limited Stock)S413 PARTS LIST
Overall
Diameter
Overall
Length
- January 20, 2026
- Not categorized
- Posted by kandpadmin
- Comments Off on S89
- Lube o-rings with clean oil.
- This filter has been engineered without clips on endcap.
- Filter is designed to be just slightly smaller than factory to allow for variances in factory filter cavities.
MSRP USD: $119 Cover O- Ring -232 Thread or ID Overall Diameter Overall Length Bypass, Closed End or I.D. in .930 2.560 3.017 .930 mm 23.62 65.02 76.63 23.62
- January 19, 2026
- Not categorized
- Posted by kandpadmin
- Comments Off on S98
Make sure that the filter element slides smoothly into the cavity.
- The filter is designed slightly smaller than factory to allow for variances in factory filter cavities.
- Filter does not utilize a retention spring but rather relies on a flush fit with the cap.
- The filter has been engineered with a conical shape for better flow.
MSRP USD: $189 Buna-N O-Ring -135 Thread or ID Overall Diameter Overall Length Bypass, Closed End or I.D. in 0.798 2.115 4.042 1.631 mm 20.269 53.721 102.667 41.427
- December 15, 2025
- Not categorized
- Posted by kandpadmin
- Comments Off on S401 NB
Ensure quad ring is fully seated in housing groove and lube with clean oil before installation.
Quad ring can normally be used for several oil changes.
Included cup wrench fits over machined flats on bottom cooling fin.
Torque filter to either factory specs or 18-20 lb ft, whichever is less
Filter Number S401 NB
MSRP USD
Finish Options:
Machine Finish (shown) = $449 Anodized Black = $479 (Limited Stock)S401 NB PARTS LIST
Overall
Diameter
Overall
Length
- December 15, 2025
- Not categorized
- Posted by kandpadmin
- Comments Off on S401
Ensure quad ring is fully seated in housing groove and lube with clean oil before installation.
Quad ring can normally be used for several oil changes.
Included cup wrench fits over machined flats on bottom cooling fin.
Torque filter to either factory specs or 18-20 lb ft, whichever is less
Filter Number S401
MSRP USD
Finish Options:
Machine Finish (shown) = $449 Anodized Black = $479 (Limited Stock)S401 PARTS LIST
Overall
Diameter
Overall
Length
- December 15, 2025
- Not categorized
- Posted by kandpadmin
- Comments Off on S409
Ensure quad ring is fully seated in housing groove and lube with clean oil before installation.
Quad ring can normally be used for several oil changes.
Included cup wrench fits over machined flats on bottom cooling fin.
Torque filter to either factory specs or 18-20 lb ft, whichever is less
Filter Number S409
MSRP USD
Finish Options:
Machine Finish (shown) = $449 Anodized Black = $479 (Limited Stock)S409 PARTS LIST
Overall
Diameter
Overall
Length
- October 24, 2025
- Not categorized
- Posted by kandpadmin
- Comments Off on Cap (cover) O-Rings
Replacement Cap or Cover O-Rings that came with K&P Engineering Filters.
** includes a Cover o-ring only.
Cap (cover) O-Rings

MSRP USD:
- October 23, 2025
- Not categorized
- Posted by kandpadmin
- Comments Off on O-Ring Kits
Replacement O-Rings that came with K&P Engineering Filters:
Kits include Cover and Filter o-rings.
O-Ring Kits

MSRP USD:






