# 3840720 Propeller | Genuine Volvo Penta Part ## 🔧 Product Description Genuine Volvo Penta three-blade aluminium single propeller for SX Aquamatic sterndrives. With its wide and efficient blade design this propeller offers excellent acceleration and top speed. The state-of-the-art squeeze casting process together with a special high strength aluminium alloy makes it stronger and more durable than traditional die-cast propellers, and four layers of paint ensure excellent anti-corrosion performance. This propeller is the 15.5 inch diameter x 13 inch pitchsize, right hand rotation. ## 🚤 Compatibility - **Engine Family:** D, V, SX - **HP Range:** 130-430 HP Full model list at the end of this description. ## ⚙️ Key Features - 15.5 inch diameter by 13 inch pitch, right hand - Rear position, largest diameter of the aluminium singles here - Three-blade squeeze-cast aluminium with four layers of paint - Shock-absorbing rubber bushing in the hub - 4.899 kg - Right-hand rotation. - Strong and durable high-performance 3-blade aluminium propeller. - Wide and efficient blade design providing excellent acceleration and top speed. - Four layers of paint ensure excellent anti-corrosion performance. - Material: aluminium - Dimensions: 15.5 inch diameter x 13 inch pitch (folder prints '15.5 inch diameter x 13 inch pitch') - Fits: SX Aquamatic sterndrives ## 🔌 Function Converts drive shaft torque into thrust to push the boat through the water. ## ⚠️ Common Signs of Failure - Vibration through the hull that comes on with speed - Engine over-revving or unable to reach rated speed - Blade edges nicked, bent, curled or a tip missing - Grey or pitted patches from cavitation erosion on the blade backs - Fishing line or weed wound into the hub area, or a slipping hub ## 🛠️ Service Notes - Match diameter, pitch and hand exactly - 15.5 inch diameter x 13 inch pitchright hand is what this one is, and hand cannot be substituted - Check the propeller shaft, seals and hub for damage while the propeller is off, and grease the shaft taper or splines - Fit and secure the retaining nut properly, and recheck engine speed at full throttle after a propeller change - Installation hardware for the 3 and 4-blade propellers for the SX drive: split pin 3852056, propeller nut 3850984, spacer 3852350 and thrust washer 3852020. - Precise balancing gives minimal vibrations, quiet and comfortable operation, and is essential for efficiency and for minimizing wear on the drivetrain. ## 🔄 Supersession & Cross Reference ### OEM Supersession Chain - 3840720 → Supersedes 3850298 ### OEM / Related Numbers - 3850298 earlier number superseded by this part ## 📦 Condition - Genuine Volvo Penta part - Brand new - Supplied in original or equivalent packaging ## 🔎 Full Model Compatibility Typically suits: - Volvo Penta 5.7GXi-320-R, 5.7GXiE-320-R, 5.7GXiC-320-R, 5.7GXiCE-320-R, 5.7GXiC-J, 5.7GXiC-JF, 5.7GXiCE-JF, 5.7GXiCE-J, 5.7GXiCE-M, 5.7GXiC-P, 5.7GXiCE-P, 5.7GXi-J, 5.7GXi-JF, 5.7GXiE-KF, 5.7GXiE-K, 5.7GXiE-M, 5.7GXiE-P, 5.7GXi-P, 5.7OSi-300-J, 5.7OSi-300-JF, 5.7OSXi-J, 5.7OSXi-JF, 5.7Gi-300-J, 5.7Gi-300-JF, 5.7GiCE-300-M, 5.7GiE-300-N, 5.7Gi-300-N, 5.7GiE-300-P, 5.7Gi-300-P, 5.7Gi-300-R, 5.7GiE-300-R, 5.7GiC-300-J, 5.7GiCE-300-J, 5.7GiCE-300-JF, 5.7GiC-300-JF, 5.7GiC-300-P, 5.7GXiE-N, 5.7GXi-N, 5.7GiE-300-K, 5.7GiE-300-KF, 5.7GiE-300-M, 5.7GiCE-300-P, 5.7GiC-300-R, 5.7GiCE-300-R, 4.3OSi-J, 4.3OSi-JF, 5.0GiC-225-S, 5.0GiCE-225-S, 5.0GiC-J, 5.0GXiCE-JF, 5.0GXiCE-J, 5.0GXiC-JF, 5.0GXiCE-M, 5.0GXiC-P, 5.0GXiCE-P, 5.0GXi-J, 5.0GXi-JF, 5.0GXiE-K, 5.0GL-J, 5.0GL-JF, 5.0GXi-270-R, 5.0GXiE-270-R, 5.0GXiC-270-R, 5.0GXiCE-270-R, 5.0GXiC-J, 5.0GXiE-KF, 5.0GXiE-M, 5.0GXiE-N, 5.0GXi-N, 5.0GXiE-P, 5.0GXi-P, 4.3Gi-200-R, 4.3GI-Q, 4.3GL-J, 4.3GL-JF, 4.3GL-P, 4.3GXi-225-R, 4.3GXiE-225-R, 4.3GXiE-M, 4.3GXi-P, 4.3GXiE-P, 4.3GXi-Q, 4.3GXiE-Q, 4.3GXi-J, 4.3GXi-JF, 3.0GLP-J, 3.0GLP-N, 3.0GXiC-J, 3.0GXi-J, 4.3Gi-200-S, 4.3GXi-225-S, 4.3GXiE-225-S - Volvo Penta V8-350-C-R, V8-350-CE-R, V8-380-C-R, V8-380-CE-R, V8-430-C-R, V8-300-C-M, V8-300-CE-M, V8-300-C-N, V8-300-CE-N, V8-270-C-B, V8-270-CE-B, V8-300-A, V8-300-E-A, V8-300-B, V8-300-E-B, V8-300-C-A, V8-300-CE-A, V8-300-C-B, V8-320-C-B, V8-320-CE-B, V8-300-CE-B, V8-320-A, V8-320-E-A, V8-320-B, V8-320-E-B, V8-320-C-A, V8-320-CE-A, V8-380-C-D, V8-380-CE-D, V8-430-CE-D, V8-350-C-D, V8-350-CE-D, V8-300-C-R, V8-300-CE-R, V8-430-CE-R, V8-300-C-K, V8-300-CE-K, V8-300-C-P, V8-300-CE-P, V8-350-C-P, V8-350-CE-P, V8-380-C-P, V8-380-CE-P, V8-430-C-P, V8-300-CE-G, V8-300-C-G, V8-300-C-H, V8-300-CE-H, V8-300-C-J, V8-300-CE-J, V8-225-C-A, V8-225-CE-A, V8-225-C-B, V8-225-CE-B, V8-270-A, V8-270-E-A, V8-270-B, V8-270-E-B, V8-270-C-A, V8-270-CE-A, V8-430-CE-P, V8-300-C-S, V8-300-CE-S, V8-350-C-S, V8-350-CE-S, V8-400-CE-R - Volvo Penta V6-200-N, V6-200-C-N, V6-200-CE-N, V6-240-M, V6-240-C-M, V6-240-CE-M, V6-280-M, V6-280-C-M, V6-280-CE-M, V6-280-J, V6-280-CE-J, V6-280-G, V6-280-C-G, V6-280-CE-G, V6-280-C-J, V6-240-N, V6-240-C-N, V6-240-CE-N, V6-280-N, V6-280-C-N, V6-240-CE-K, V6-280-CE-K, V6-200-P, V6-200-C-P, V6-200-CE-P, V6-250-P, V6-250-C-P, V6-250-CE-P, V6-280-P, V6-280-C-P, V6-280-CE-P, V6-200-C-G, V6-200-G, V6-200-J, V6-200-C-J, V6-200-A, V6-225-A, V6-225-E-A, V6-280-CE-N, V6-200-M, V6-200-C-M, V6-250-O, V6-250-C-O, V6-250-CE-O, V6-240-C-G, V6-240-CE-G, V6-240-G, V6-240-J, V6-240-CE-J, V6-240-C-J, V6-200-R, V6-200-C-R, V6-250-R, V6-250-C-R, V6-250-CE-R, V6-280-R, V6-280-C-R, V6-280-CE-R - Volvo Penta D3-130I-C, D3-130A-C, D3-160A-C, D3-140A-G, D3-170A-G, D3-140I-G, D3-190A-C, D3-170I-G, D3-160I-C, D3-190I-C, D3-140A-H, D3-170A-H, D3-140I-H - Volvo Penta SX-D, SX-A, SX-M, SX-M1, SX-MTD, SX-MTD3 ## Details - **Price:** 752.94 AUD - **Vendor:** Volvo Penta - **Type:** Propellers - **Tags:** Volvo Penta ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 752.94 AUD | In stock | ## Images - 3840720 Propeller | Genuine Volvo Penta Part - 3840720 Propeller | Genuine Volvo Penta Part - photo 2 of 2 --- > Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3840720-propeller-genuine-volvo-penta) > Updated: 2026-10-08