skip to footer block
MDI Turning Point Propellers 31502112 14.3X21 Steel Three Blade Right Hand Rotation PROP EXPRESS Mach3 P14355710MDI-31502112 https://cdnimages.opentip.com/full/MDI/MDI-31502112.jpg Turning Point Propellers 31502112 14.3X21 Steel Three Blade Right Hand Rotation PROP EXPRESS Mach3 Manufacturer Part Number: 31502112Express Mach3 Propeller is the best investment in boat improvement you can make, whether you are upgrading your present propeller from aluminum to stainless steel or from an older generation design to the latest technology. New Designs will surpass the competitors in today\'s market and can greatly improve boat performance. In one or two seasons, the increase in fuel economy can typically pay for a new propeller, making it a wise investment in your time on the water. These three-blade propellers excel in accelerating and controlling at high speeds while providing Best-in-Class acceleration and control. To help you get the most out of your boat, the Express Mach3 series of props integrates all of the most cutting-edge techniques and technology. Cups with sharp edges, aggressive pitch angles, and unusual designs.Key Features: Stainless steel propellers are far more long-lasting than aluminum propellers. Significantly better performance than aluminum propellers. (Slightly better performance than Turning Point Aluminum Propeller Designs, with a speed gain of roughly 0.5-1mph.) Expect higher performance than OEM and aftermarket Stainless Steel propellers. Product Details: SKU:31502112 UPC: 652480200878 Weight: 13.00 LBS MATERIAL: Stainless Steel PITCH:21 Diameter: 14.3 Engine ApplicationEvinrude/Johnson® 90-300 Horsepower 4.75\" GearcaseV4 with V6 large gearcase: 100hp commercial, 120hp (\'85), 130hp; (\'95-\'96), 140hp (\'85), Pleasure (\'95+): 115hp, 130hp / H.O. (includes E-TEC H.O.): 90 (25\" shaft), 115, 135, 150, 200, 225, 250hp; E-TEC (includes pontoon series - not for E-TEC G2): 90hp (25\" shaft), 115hp, 130hp (\'09-\'10), 135hp to 300hp / V6: 135hp to 250hp / V8: 250hp to 300hpEvinrude® 150-300 Horsepower 4.75\" GearcaseEvinrude® E-TEC® G2™ Series Only: 150 to 300hpHonda® 115-250 Horsepower (4-Stroke) 4.75\" GearcaseBF115D (\'11+), BF135 (\'04+), BF150 (\'04+), BF200 (\'02+), BF225 (\'02+), BF250 (\'12+) Note: for engines under 200hp use installation kit 11500800. For engines 200+hp use super duty installation kit 11700800Johnson® 200-225 Horsepower (4-Stroke) 4.75\" GearcaseNote: Use Express Mach3 OS series props only. 4 stroke (Johnson): 200hp, 225hpMercruiser 120-300+ Horsepower 4.75\" GearcaseNote: If propeller strikes trim tab, replace with Mercury part #822777A1. Alpha One Sterndrives (\'83+) / Bravo One Sterndrives (\'83+) / Models (\'82 & older): 1A, 1B, 1C, 120, 140, 145DTS, 165, 228, 470, 485, 888, 898, 225S, 233, 255TRS, 260, 280TRS, 330 TRS / MerCruiser (\'83-\'85): 120-190hp, 200-260hpNote: for engines under 200hp use installation kit 11500100. For engines 200+hp use super duty installation kit 11700100Mercury™, Mariner™, Sea Ray 135-300 Horsepower V-6 4.75\" GearcaseNote: 115hp ProXS CT Only; For ProXS & Verado w/ 1.25\" prop haft, use Mercury Solid Hub kit with the Turning Point Prop. FourStroke™ & SeaPro™: 90CT, 115CT, 150hp / V6: 135 to 300hp / Verado 135 to 300hp(not HD) / OptiMax: 150, 200, 250hp NOTE: for engines under 200hp use installation kit 11500100. For engines 200+hp use super duty installation kit 11700100Omc 2.0-8.2L Horsepower 4.75\" GearcaseCobra 800: 3.0 to 7.5L / King Cobra: 454, 502, 7.4-8.2L (\'90+) / Sea Drive: 2.0 to 4.0LSuzuki® 150-225 Horsepower 4.75\" GearcaseDT 2 stroke: 150hp to 225hp Note: for engines under 200hp use installation kit 11500700. For engines 200+hp use super duty installation kit 11700700Tohatsu® 115-250 Horsepower (2 & 4-Stroke) 4.75\" GearcaseBFT115, BFT150, BFT200, BFT225, BFT250 Note: for engines under 200hp use installation kit 11500800. For engines 200+hp use super duty installation kit 11700800Volvo Penta Aq 200-290 Horsepower 4.75\" GearcaseNote: Use 4 blade props only. AQ: 200, 250, 270, 280, 290Volvo Penta Sx 3.0-8.2L Horsepower 4.75\" GearcaseNote: Not for Volvo DuoProp or Aquamatic drives. (\'94+) SX:3.0 to 8.2LYamaha 150-300 Horsepower 4.75\" GearcaseNote: If Express Mach3 OS Prop strikes trim tab, replace with Yamaha part #6E5-45371-10-00. 2 and 4 stroke: 150 to 250hp / F300 (V6 only \'09+) Note: for engines under 200hp use installation kit 11500500. For engines 200+hp use super duty installation kit 11700500Yamaha 3.0-7.4L Horsepower 4.75\" GearcaseNote: If Express Mach3 OS Prop strikes trim tab, replace with Yamaha part #6E5-45371-10-00. 3.0 to 7.4LNote: for engines under 200hp use installation kit 11500500. For engines 200+hp use super duty installation kit 11700500Yamaha 350 Horsepower 5.25\" GearcaseNote: F350 Use Express Mach3 OS series props only.This product replaces:652480200878, EX-1421 14355710 652480200878 13.0000lbs 0.00 0.00 0.00
Turning Point Propellers
405.7700 2025-06-27 5 In Stock

Turning Point Propellers 31502112 14.3X21 Steel Three Blade Right Hand Rotation PROP EXPRESS Mach3

Shop more from MDI

UPC: 652480200878
SKU: MDI-31502112
Price: $405.77
Quantity:
5 In Stock
*  Click "Add to Cart" to calculate shipping and delivery time.
Share & Earn 10% Cash Back Best Price in Bulk

Product Description

Manufacturer Part Number: 31502112

Express Mach3 Propeller is the best investment in boat improvement you can make, whether you are upgrading your present propeller from aluminum to stainless steel or from an older generation design to the latest technology. New Designs will surpass the competitors in today's market and can greatly improve boat performance. In one or two seasons, the increase in fuel economy can typically pay for a new propeller, making it a wise investment in your time on the water. These three-blade propellers excel in accelerating and controlling at high speeds while providing Best-in-Class acceleration and control. To help you get the most out of your boat, the Express Mach3 series of props integrates all of the most cutting-edge techniques and technology. Cups with sharp edges, aggressive pitch angles, and unusual designs.

Key Features:
  • Stainless steel propellers are far more long-lasting than aluminum propellers.
  • Significantly better performance than aluminum propellers. (Slightly better performance than Turning Point Aluminum Propeller Designs, with a speed gain of roughly 0.5-1mph.)
  • Expect higher performance than OEM and aftermarket Stainless Steel propellers.

Product Details:
  • SKU:31502112
  • UPC: 652480200878
  • Weight: 13.00 LBS
  • MATERIAL: Stainless Steel
  • PITCH:21
  • Diameter: 14.3


Engine Application

Evinrude/Johnson® 90-300 Horsepower 4.75" Gearcase


V4 with V6 large gearcase: 100hp commercial, 120hp ('85), 130hp;
('95-'96), 140hp ('85), Pleasure ('95+): 115hp, 130hp / H.O. (includes E-TEC H.O.): 90 (25" shaft), 115, 135, 150, 200, 225, 250hp;
E-TEC (includes pontoon series - not for E-TEC G2): 90hp (25" shaft), 115hp, 130hp ('09-'10), 135hp to 300hp / V6: 135hp to 250hp / V8: 250hp to 300hp

Evinrude® 150-300 Horsepower 4.75" Gearcase


Evinrude® E-TEC® G2™ Series Only: 150 to 300hp

Honda® 115-250 Horsepower (4-Stroke) 4.75" Gearcase


BF115D ('11+), BF135 ('04+), BF150 ('04+), BF200 ('02+), BF225 ('02+), BF250 ('12+)
Note: for engines under 200hp use installation kit 11500800. For engines 200+hp use super duty installation kit 11700800

Johnson® 200-225 Horsepower (4-Stroke) 4.75" Gearcase


Note: Use Express Mach3 OS series props only.
4 stroke (Johnson): 200hp, 225hp

Mercruiser 120-300+ Horsepower 4.75" Gearcase


Note: If propeller strikes trim tab, replace with Mercury part #822777A1. Alpha One Sterndrives ('83+) / Bravo One Sterndrives ('83+) / Models ('82 & older): 1A, 1B, 1C, 120, 140, 145DTS, 165, 228, 470, 485, 888, 898, 225S, 233, 255TRS, 260, 280TRS, 330 TRS / MerCruiser ('83-'85): 120-190hp, 200-260hp
Note: for engines under 200hp use installation kit 11500100. For engines 200+hp use super duty installation kit 11700100

Mercury™, Mariner™, Sea Ray 135-300 Horsepower V-6 4.75" Gearcase


Note: 115hp ProXS CT Only;
For ProXS & Verado w/ 1.25" prop haft, use Mercury Solid Hub kit with the Turning Point Prop. FourStroke™ & SeaPro™: 90CT, 115CT, 150hp / V6: 135 to 300hp / Verado 135 to 300hp(not HD) / OptiMax: 150, 200, 250hp
NOTE: for engines under 200hp use installation kit 11500100. For engines 200+hp use super duty installation kit 11700100

Omc 2.0-8.2L Horsepower 4.75" Gearcase


Cobra 800: 3.0 to 7.5L / King Cobra: 454, 502, 7.4-8.2L ('90+) / Sea Drive: 2.0 to 4.0L

Suzuki® 150-225 Horsepower 4.75" Gearcase


DT 2 stroke: 150hp to 225hp
Note: for engines under 200hp use installation kit 11500700. For engines 200+hp use super duty installation kit 11700700

Tohatsu® 115-250 Horsepower (2 & 4-Stroke) 4.75" Gearcase


BFT115, BFT150, BFT200, BFT225, BFT250
Note: for engines under 200hp use installation kit 11500800. For engines 200+hp use super duty installation kit 11700800

Volvo Penta Aq 200-290 Horsepower 4.75" Gearcase


Note: Use 4 blade props only. AQ: 200, 250, 270, 280, 290

Volvo Penta Sx 3.0-8.2L Horsepower 4.75" Gearcase


Note: Not for Volvo DuoProp or Aquamatic drives. ('94+) SX:3.0 to 8.2L

Yamaha 150-300 Horsepower 4.75" Gearcase


Note: If Express Mach3 OS Prop strikes trim tab, replace with Yamaha part #6E5-45371-10-00. 2 and 4 stroke: 150 to 250hp / F300 (V6 only '09+)
Note: for engines under 200hp use installation kit 11500500. For engines 200+hp use super duty installation kit 11700500

Yamaha 3.0-7.4L Horsepower 4.75" Gearcase


Note: If Express Mach3 OS Prop strikes trim tab, replace with Yamaha part #6E5-45371-10-00. 3.0 to 7.4L
Note: for engines under 200hp use installation kit 11500500. For engines 200+hp use super duty installation kit 11700500

Yamaha 350 Horsepower 5.25" Gearcase


Note: F350 Use Express Mach3 OS series props only.

This product replaces:

    652480200878, EX-1421

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Need more information?
Our staff are available to answer any questions you may have about this item


Customer Reviews
0 reviews
Be the first to review this item!