Quick view Sierra 18-2016 Oil Seal Replaces 26-41953 List Price: $11.07 Starting At: Now: $8.41 Sierra 18-2016 Oil Seal for Mercury, and OMC Sierra high-quality engine parts are designed to meet OEM specifications. Shaft Size: 1.187" O.D. 1.875" Width 0.250" Interchangeable with: GLM 85010 Mallory 9-76100 Mercury... Add to Cart
Quick view Sierra 18-2026 Oil Seal Replaces 26-16977 List Price: $12.77 Starting At: Now: $8.94 Sierra 18-2026 Seal for Mercruiser, OMC, Johnson and Evinrude Drive Systems Sierra replacement Line Cutter Seal. Shaft Size: .875" O.D. 1.250" Width 0.188" Use with: 18-2093 Oil Seal Interchangeable with: GLM 85040 Johnson/Evinrude... Add to Cart
Quick view Sierra 18-3864 Head Gasket Replaces 27-822844T05 List Price: $40.91 Starting At: Now: $28.64 HEAD GASKET - Special Order Item Add to Cart
Quick view Sierra 18-7161 O-Ring Replaces 25-32546 List Price: $2.42 Starting At: Now: $1.84 Sierra 18-7161 Lower End Cap O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. I.D.: 3.250" Width: 0.070" Interchangeable with: GLM 80420 Mallory 9-76546 Mercruiser Stern... Add to Cart
Quick view Sierra 18-3921 Piston Rings Replaces 39-93481A12 List Price: $37.35 Starting At: Now: $28.39 Sierra 18-3921 Mercury Standard Piston Rings Sierra high-quality engine parts are designed to meet OEM specifications. Bore Size: 3.125 / Standard Interchangeable with: GLM 14240 Mallory 9-54233 Mercury... Add to Cart
Quick view Sierra 18-3924 Piston Rings List Price: $35.65 Starting At: Now: $24.95 Piston Rings - Special Order est. 10 Days Add to Cart
Quick view Sierra 18-2835 Powerhead Base Gasket Replaces 27-692381 List Price: $7.55 Starting At: Now: $5.74 Mercury Powerhead Base Gasket by Sierra For Use On Engine Models 52,90,115,140HP Replaces: Mercury - 27-69238-1 Mallory - 9-60044 GLM - 31720 Pro Marine - 319 Redline - RL2835 Add to Cart
Quick view Sierra 18-3966 Piston Rings List Price: $43.20 Starting At: Now: $30.24 Sierra 18-3966 Mercury Piston Rings Sierra high-quality piston rings for Mercury Marine engines. Sierra engine parts are backed by Sierra's unmatched manufacturer's warranty. Bore Size: 2.565 / Standard Interchangeable... Add to Cart
Quick view Sierra 18-3982 Piston Rings Replaces 39-822321A12 List Price: $37.54 Starting At: Now: $26.28 Sierra 18-3982 Standard Piston Rings For Mercury Outboards Sierra high-quality engine parts are designed to meet OEM specifications. 18-3982 Piston Rings are for Mercury and Mariner Crossflow and Inline Outboard engines Bore Size: 3.500 /... Add to Cart
Quick view Sierra 18-3871 Head Gasket List Price: $50.84 Starting At: Now: $35.59 Sierra 18-3871 Head Gasket For Mercury 175, VR4, Mag II Interchangeable with: GLM 35890 Mallory 9-63856 Mercury Marine 27-18786-1 27-18786T 27-187863 Add to Cart
Quick view Sierra 18-4356 Powerhead Gasket Set List Price: $97.95 Starting At: Now: $74.44 Sierra 18-4356 Mercury Powerhead Gasket Set (Does Not Include Head Gaskets) Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 39550 Mallory 9-64213 Mercury... Add to Cart
Quick view Connecting Rod Bolt , Mercury - Mercruiser 10-91012 List Price: $6.00 Starting At: Now: $5.70 Connecting Rod Bolt , Mercury - Mercruiser 10-91012 Add to Cart
Quick view Lower End Cap O Ring , Mercury - Mercruiser 25-32546 List Price: $3.10 Starting At: Now: $2.95 Lower End Cap O Ring , Mercury - Mercruiser 25-32546 Fits: 30, 40, 50, 60, 65, 70, 75, 80, 85, 90, 115, 140, 150 hp engines Replaces: GLM 80420 Mallory 9-76546 Sierra 18-7161 Add to Cart
Quick view Sierra 18-0515 Oil Seal List Price: $9.55 Starting At: Now: $7.26 Oil Seal - Special Order est. 10 Days Add to Cart
Quick view Sierra 18-0879 Adapter Plate Gasket List Price: $6.41 Starting At: Now: $4.87 Sierra 18-0879 Adapter Plate Gasket Sierra replacement adapter plate gasket for use on Mercury/Mariner Outboard Engines. Interchangeable with: GLM 31400 Mallory 9-60042 Mercury Marine 27-385011 27-38501 27-37724 Add to Cart
Quick view Sierra 18-3922 Piston Rings List Price: $45.41 Starting At: Now: $31.79 Sierra 18-3922 Piston Rings Sierra high-quality engine parts are designed to meet OEM specifications. Bore Size: 3.125 / .015 Interchangeable with: GLM 14250 Mercury Marine 39-78918A4 Wiseco 3145KD Add to Cart
Quick view Sierra 18-4623 Piston Kit List Price: $184.89 Starting At: Now: $129.42 Sierra 18-4623 Piston Kit Sierra replacement piston kit for Mercury Marine engines. Bore Size: 3.375 / Standard Interchangeable with: GLM 14660 Mallory 9-53246 Mercury Marine 777-815965T4 777-815965A4 Add to Cart
Quick view Sierra 18-3872 Head Gasket List Price: $57.43 Starting At: Now: $40.20 Sierra 18-3872 Head Gasket For Mercury 200 & 225 Hp Interchangeable with: GLM 35900 Mallory 9-63852 Mercury Marine 27-41245-1 27-41244T02 27-41245 27-41244 27-77671 27-96541 27-90279 27-412452 Add to Cart
Quick view Sierra 18-3902 Piston Rings List Price: $38.42 Starting At: Now: $26.90 Sierra 18-3902 Mercury Piston Rings Sierra high-quality marine parts are designed to meet OEM specifications. Bore Size: 2.875 / STD For 3 ring pistons Interchangeable with: Mallory 9-54217 Mercury Marine 39-78816A12 39-45155A12 Add to Cart
Quick view Sierra 18-4135 Piston Kit List Price: $54.89 Starting At: Now: $41.72 Sierra 18-4135 Piston Kit Sierra replacement piston kit for Yamaha Outboards and Mercury Marine engines. Supplied complete with piston, rings, wrist pin, and circlips. Size: Standard Includes (1) 18-3976 Piston Rings Interchangeable... Add to Cart
