Turning Point 90-300+HP 4-3/4" Os S/S - S/S 15.6X23 3B LH Prop | 3151-2320
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You have 30 days to request a return. All sale items are final sale.
90-300+HP 4-3/4" Os S/S
S/S 15.6X23 3B LH Prop
TUR 501/701/801F MERCURY & MARINER: (15 spline) FourStroke & SeaPro: 90CT, 115CT, 150, 200-300hp / V6: 135-300hp / Verado 135-300hp (not HD) / OptiMax: 150, 200, 250hp // Note 1: Use 701 super duty kit for 200+hp engines w/SS props // Note 2: 115hp ProXS CT only: For ProXS & Verado w/1.25” prop shaft, use Mercury solid hub kit with the Turning Point prop.
TUR 501/701 MERCRUISER: (15 spline) Alpha One & Bravo One ('83+) // Note 1: Use 701 super duty kit for 200+hp engines w/SS props // Note 2: If propeller strikes trim tab, replace with Mercury part #822777A1
TUR 502 OMC: Cobra 800: 3.0-7.5L / King Cobra: 454, 502, 7.4-8.2L (‘90+) / Sea Drive: 2.0-4.0L // Note: SX drives, see Volvo Penta listing
TUR 502 EVINRUDE / JOHNSON: V4 with V6 large gearcase: 100hp commercial, 120 ('85), 130 ('95-'96), 140hp ('85) / Pleasure: 115, 130hp ('95+) / H.O. (includes E-TEC H.O.): (25” shaft) 90, 115, 135, 150, 200, 225, 250hp E-TEC (includes pontoon series – not for E-TEC G2): 90hp (25" shaft), 115hp, 130hp (’09-’10), 135-300hp / V6: 135-250hp / V8: 250-300hp
TUR 504 VOLVO Penta SX & OMC SX Cobra: (19 spline) ('94+) 3.0-8.2L (Not for Volvo DuoProp or Aquamatic drives)
TUR 505/705/805F/805FT YAMAHA: (15 spline) 2 & 4 stroke: 150-250hp / F300 (V6 only ‘09+) / Stern drives: 3.0-7.4L //Note 1: Use 705 super duty kit for 200+hp engines w/SS props // Note 2: If Express Mach3 OS Prop strikes trim tab, replace with Yamaha part #6E5-45371-10-00 or Turning Point part 4150 5060
TUR 507/707 SUZUKI: (15 spline) DT 2 stroke: 150-225hp // Note: Use 707 super duty kit for 200+hp engines w/SS props
TUR 507/707 SUZUKI: (15 spline) DF4 stroke: 150-300hp // Note: Use 707 super duty kit for 200+hp engines w/SS props – Use Express Mach3 OS series props only
TUR 508/708 HONDA: (15 spline) BF115D (‘11+), BF135 (‘04+), BF150 (‘04+), BF200 (‘02+), BF225 (‘02+), BF250 (‘12+) // Note: Use 708 super duty kit for 200+hp engines w/SS props
TUR 508/708 TOHATSU: (15 spline) BFT115, BFT150, BFT200, BFT225, BFT250 // Note: Use 708 super duty kit for 200+hp engines
TUR 510 VOLVO PENTA AQ: (17 spline) – Use 4 blade props only – 200, 250, 270, 280, 290
TUR 511/711 EVINRUDE E-TEC G2: (15 spline) G2 series only: 150-300hp // Note: Use 711 super duty kit for 200+hp engines w/SS props
TUR 621 MERCURY: (19 spline) HD 1.25" prop shaft, HD 5.25-5.44" gearcases / Pro XS 175-250hp w/Torque Master gearcase / Verado 300-400hp / Sport Master / Torque Master I & II (Torque Master Gearcases to fit 200XS, 225X, 2.5 EFI, 225 Pro X, 250XS, 300X) / Fleet Master
TUR 621 MERCRUISER: (19 spline) HD 1.25 prop shaft, HD 5.25-5.44" gearcases / Bravo One XR/XZ / Sport Master / shorty Sport Master Bravo One XR
TUR 707 JOHNSON: 4 stroke: 200, 225 – Use Express Mach3 OS series props only
TUR 715 YAMAHA: F350 – Use Express Mach3 OS series props only
MasterTorq Sound Dampening Hubs: 801F, 805F, 805FT - for noisy lower units to give a quieter ride
HL models have thicker blades for heavy load - ideal for intensive usage such as water taxi
- Brand: Turning Point
- Manufacturer part #: 3151-2320
- Sold as: EA
Parts Desk Insight
This is an OS-series large-diameter, three-blade propeller housing. Select the installation kit separately by engine/drive model, spline count and the chart notes; diameter and pitch alone do not establish engine compatibility. Product reference.
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.