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Used Outboard Parts & Fresh Water Sterndrive Parts

$10.32
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Replace the sealing component specified for your repair with our new Mercury 25-86391 outboard o-ring. Choose this outboard o-ring when your parts list specifies 25-86391. Each purchase supplies one individual part, so you can order the quantity needed for your repair. Compare the outboard o-ring with your original component and the exact parts diagram before installation. Check the applicable model and serial range before ordering. Contact us with your model and serial number if you need help selecting your replacement.

  • Brand: Mercury
  • Product: Outboard O-Ring
  • Condition: New
  • Selling unit: one individual part
  • Part number: 25-86391

Application and product details

  • Fits the following models and components: 2 Stroke Carb 15 MARATHON Cylinder Block and Covers - Engine Numbers [0G044365 THRU 0G437999] - USA 15 MARATHON XD Gasket Set Components Engine Overhaul - Engine Numbers [0P017000 THRU 0P325499] - Belgium 15 MARATHON XD Cylinder Block and Covers - Engine Numbers [9927000 THRU 0P016999] - Belgium 15 MARATHON XD Cylinder Block and Covers - Engine Numbers [0P017000 THRU 0P325499] - Belgium 15 SEA PRO (XD) Gasket Set Components Engine Overhaul - Engine Numbers [0P017000 THRU 0P325499] - Belgium 15 SEA PRO (XD) Cylinder Block and Covers - Engine Numbers [0P017000 THRU 0P325499] - Belgium 15 SEA PRO (XD) Cylinder Block and Covers - Engine Numbers [9927000 THRU 0P016999] - Belgium 15 SEAPRO Cylinder Block and Covers - Engine Numbers [0G044365 THRU 0G437999] - USA 18 CYLINDER BLOCK AND COVER - Engine Numbers [5837437 THRU 6416712] - USA 18 CYLINDER BLOCK AND COVER - Engine Numbers [8071973 & Up] - Australia 18 CYLINDER BLOCK AND COVER - Engine Numbers [9308306 THRU 9378115] - Belgium 18 CYLINDER BLOCK AND COVER - Engine Numbers [7173723 THRU 7207857] - Canada 18XD BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [7209533 THRU 0A730006] - Canada 18XD BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [7209533 THRU 0A730006] - Canada 18XD BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [6443973 THRU 0B238463] - USA 18XD BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [6443973 THRU 0B238463] - USA 18XD BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [9378151 THRU 9507380] - Belgium 18XD BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [9378151 THRU 9507380] - Belgium 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [9507381 THRU 9807908] - Belgium 20 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0P325500 & Up] - Belgium 20 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0P017000 THRU 0P325499] - Belgium 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0B238464 THRU 0G044026] - USA 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [9807909 THRU 0P016999] - Belgium 20 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0G760300 THRU 0T979999] - USA 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0G044027 THRU 0G760299] - USA 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0P017000 THRU 0P325499] - Belgium 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0G760300 THRU 0T979999] - USA 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0P325500 & Up] - Belgium 20 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0A730007 & Up] - Canada 20 JET Gasket Set Components Engine Overhaul - Engine Numbers [0T980000 THRU 0T999999] - USA 20 JET Cylinder Block and Covers - Engine Numbers [0P017000 THRU 0P325499] - Belgium 20 JET Cylinder Block and Covers - Engine Numbers [1B000001 & Up] - USA 20 JET Cylinder Block and Covers - Engine Numbers [0G760300 THRU 0T979999] - USA 20 JET Gasket Set Components Engine Overhaul - Engine Numbers [0G760300 THRU 0T979999] - USA 20 JET Cylinder Block and Covers - Engine Numbers [0G044027 THRU 0G760299] - USA 20 JET Cylinder Block and Covers - Engine Numbers [0T980000 THRU 0T999999] - USA 20 JET Gasket Set Components Engine Overhaul - Engine Numbers [0P017000 THRU 0P325499] - Belgium 20 JET Gasket Set Components Engine Overhaul - Engine Numbers [1B000001 & Up] - USA 20 JET Cylinder Block and Covers - Engine Numbers [9807909 THRU 0P016999] - Belgium 20XD (2 CYL.) BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [7209533 THRU 0A730006] - Canada 20XD (2 CYL.) BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [6443973 THRU 0B238463] - USA 20XD (2 CYL.) BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [6443973 THRU 0B238463] - USA 20XD (2 CYL.) BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [9415101 THRU 9507380] - Belgium 20XD (2 CYL.) BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [7209533 THRU 0A730006] - Canada 20XD (2 CYL.) BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [9415101 THRU 9507380] - Belgium 25 (2 CYL.) CYLINDER BLOCK AND COVER - Engine Numbers [5705532 THRU 6416712] - USA 25 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0P325500 & Up] - Belgium 25 (2 CYL.) CYLINDER BLOCK AND COVER - Engine Numbers [9315316 THRU 9378115] - Belgium 25 (2 CYL.) Cylinder Block and Covers - Engine Numbers [1B000001 & Up] - USA 25 (2 CYL.) CYLINDER BLOCK AND COVER - Engine Numbers [7166928 THRU 7207857] - Canada 25 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0P325500 & Up] - Belgium 25 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [1B000001 & Up] - USA 25 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0T980000 THRU 0T999999] - USA 25 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0T980000 THRU 0T999999] - USA 25 (2 CYL.) CYLINDER BLOCK AND COVER - Engine Numbers [8073158 & Up] - Australia 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [9507381 THRU 9807908] - Belgium 25 25 MARATHON SUPER 15 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0P017000 THRU 0P325499] - Belgium 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0A730007 & Up] - Canada 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0G044027 THRU 0G760299] - USA 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0G760300 THRU 0T979999] - USA 25 25 MARATHON SUPER 15 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0G760300 THRU 0T979999] - USA 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [9807909 THRU 0P016999] - Belgium 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0B238464 THRU 0G044026] - USA 25 25 MARATHON SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0P017000 THRU 0P325499] - Belgium 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0A730007 & Up] - Canada 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [9807909 THRU 0P016999] - Belgium 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [9507381 THRU 9807908] - Belgium 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0G760300 THRU 0T979999] - USA 25 25 SEA PRO SUPER 15 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0P017000 THRU 0P325499] - Belgium 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0G044027 THRU 0G760299] - USA 25 25 SEA PRO SUPER 15 (2 CYL.) Gasket Set Components Engine Overhaul - Engine Numbers [0G760300 THRU 0T979999] - USA 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0B238464 THRU 0G044026] - USA 25 25 SEA PRO SUPER 15 (2 CYL.) Cylinder Block and Covers - Engine Numbers [0P017000 THRU 0P325499] - Belgium 25XD BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [6443973 THRU 0B238463] - USA 25XD BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [9415101 THRU 9507380] - Belgium 25XD BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [7209533 THRU 0A730006] - Canada 25XD BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [7209533 THRU 0A730006] - Canada 25XD BLOCK (US-0B114230/Can-0A719660/Bel-9467987 and Below) - Engine Numbers [9415101 THRU 9507380] - Belgium 25XD BLOCK (US-0B114231/Can-0A719661/Bel-9467988 and Up) - Engine Numbers [6443973 THRU 0B238463] - USA 2 Stroke DFI 115 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [0T801000 THRU 1B226999] - USA 115 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B736885 & Up] - USA 115 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B227000 THRU 1B417701] - USA 115 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B417702 THRU 1B736885] - USA 115 Pro XS (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B751825 & Up] - USA 125 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B736885 & Up] - USA 75 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [0T980000 THRU 1B226999] - USA 75 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B227000 THRU 1B417701] - USA 75 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B417702 THRU 1B736885] - USA 75 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B736885 & Up] - USA 80 Jet (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B736885 & Up] - USA 80 Jet (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B586067 THRU 1B736885] - USA 90 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B417702 THRU 1B736885] - USA 90 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [0T801000 THRU 1B226999] - USA 90 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B736885 & Up] - USA 90 DFI (3 CYL.)(1.5L) Air Compressor - Engine Numbers [1B227000 THRU 1B417701] - USA

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