Hynautic Cylinder Seal Kits

Hynautic KS-04 - Seal Kit for K-21 to K-29 Cylinders (Pre-1983) The Hynautic KS04 is the genuine Hynautic seal kit for older inboard steering cylinders. It services K21 to K29 cylinders manufactured prior to 1983. Typical contents include replacement...

Hynautic KS-19 - Seal Kit for K-6 Cylinder KS-19 is a genuine Hynautic cylinder seal kit used to reseal the K-6 inboard steering cylinder. This is a legacy service part and availability may be limited. If the cylinder rod is pitted, the bore is scored,...

Hynautic KS-18 - Seal Kit for K-8 Cylinders and HC5806 Applications KS-18 is a genuine Hynautic cylinder seal kit used to reseal K-8 steering cylinders and related HC5806 applications. Use this kit when servicing a cylinder with seepage at the rod...

Hynautic KS-17 - Seal Kit for K-3, K-4 and PSK11-12 Cylinders KS-17 is a genuine Hynautic cylinder seal kit commonly used to reseal K-3 and K-4 inboard steering cylinders and select PSK11-12 cylinder applications. Use this kit to refresh internal...

Hynautic KS-15 - Seal Kit for K-5(B) Cylinders KS-15 is a genuine Hynautic cylinder seal kit used to reseal K-5(B) inboard steering cylinders. Use this kit when servicing a cylinder with seepage at the rod gland, moisture intrusion, or suspected...

Hynautic KS-14 - Seal Kit for K-51 Cylinder KS-14 is the genuine Hynautic cylinder seal kit used to reseal the K-51 inboard steering cylinder. Typical contents include replacement O-rings, wipers, backup rings, and retaining wire(s) to reseal one...

Hynautic KS-13 - Seal Kit for K-3 Cylinders (Prior to 4-15-94) KS-13 is a genuine Hynautic cylinder seal kit used to reseal K-3 inboard steering cylinders built prior to 4-15-94. Use this kit when servicing a cylinder with seepage at the rod gland,...

Hynautic KS-12 - Seal Kit for K-2(B) Cylinder KS-12 is a genuine Hynautic cylinder seal kit used to reseal the K-2(B) inboard steering cylinder. Use this kit when servicing a cylinder with seepage at the rod gland, moisture intrusion, or suspected...

Hynautic KS-11 - Seal Kit for K-1 Cylinders (KS-11) KS-11 is a genuine Hynautic cylinder seal kit used to reseal K-1 inboard steering cylinders. Use this kit when servicing a cylinder with seepage at the rod gland, moisture intrusion, or suspected...

Hynautic KS-09 - Seal Kit for K-8 Cylinders (Prior to 4-15-94) KS-09 is a genuine Hynautic cylinder seal kit for resealing K-8 steering cylinders built prior to 4-15-94. Use this kit to refresh internal sealing, help stop leaks at the rod gland, and...

Hynautic KS-08 - Seal Kit for K-7 Cylinder KS-08 is a genuine Hynautic cylinder seal kit used to reseal the K-7 inboard steering cylinder. If your cylinder is weeping externally, has moisture intrusion at the rod, or is suspected to be bypassing...

Hynautic KS-07 - Seal Kit for K-10 Cylinder KS-07 is the genuine Hynautic cylinder seal kit for resealing the K-10 inboard steering cylinder. This kit is discontinued. If you cannot source a kit or your cylinder has internal wear, we recommend our...

Hynautic KS-06 - Seal Kit for K-21 to K-29 Cylinders (Post 1983) KS-06 is the genuine Hynautic cylinder seal kit for resealing K-21 through K-29 steering cylinders manufactured after August 1983 (post-1983). Use this kit to refresh internal sealing...

Hynautic KS-05 - Seal Kit for K-31 Cylinder The Hynautic KS05 is the genuine Hynautic cylinder seal kit for refreshing the K31 inboard steering cylinder. Typical contents include replacement O-rings, to reseal one cylinder. Always verify the exact...

Hynautic KS-03 - Seal Kit for K-2 and H-100 Cylinders KS-03 is the genuine Hynautic cylinder seal kit for resealing K-2 and H-100 steering cylinders. Use this kit to refresh internal sealing surfaces to help address bypassing and leakage caused by worn...

Hynautic KS-02 - Seal Kit for K-18, K-19 and K-20 Cylinders KS-02 is the genuine Hynautic cylinder seal kit used to reseal K-18, K-19, and K-20 inboard steering cylinders. This kit is commonly used to restore gland and piston sealing to help stop...

Hynautic KS-01 Seal Kit for K-11 and K-12 Cylinders The Hynautic KS01 is the cylinder seal kit for refreshing older inboard steering cylinders K11 & K12. Typical contents include replacement O-rings, wipers, backup rings, and retaining wire(s)...