AQBB 2-1/4 Inch Water Pump Impeller 21951346 – Volvo Penta, Johnson, Sierra, Yanmar, Diesel & Petrol Compatible

Overview

Discover the AQBB 2-1/4 inch water pump impeller 21951346, engineered for broad marine compatibility. This neoprene impeller blends resilience with flexibility to support cooling systems across a wide range of engines, including Volvo Penta, Johnson Inboard, Jabsco Inboard, Yanmar Inboard, and Sierra units. Its tough yet supple construction is designed to perform under varying temperatures and pH levels found in marine environments, offering a dependable replacement option without promising guaranteed results.

Designed for boats that demand steady, reliable cooling cycles, this impeller can serve as a smart maintenance choice when replacing worn parts or stocking a spare for on‑board emergencies. The result is a balanced mix of toughness and adaptability that supports smooth engine operation when conditions change from calm days to high‑load outings.

Key specifications

• Width: 31.5 mm (1.24 inch)
• Diameter: 57 mm (2.24 inch)
• Shaft: 16 mm (0.62 inch)
• Package includes: 1 x 12 blade spline drive impeller, 2 x O-rings, 4 x gaskets
• Manufacturer part number: 21951346; compatible with related parts such as 21213660, 3862281, 3858256, 876243

Why boaters may choose this impeller

• Broad engine compatibility spans Volvo Penta diesel models, Johnson Inboard, Jabsco Inboard, Yanmar Inboard, and Sierra units
• Neoprene construction offers good toughness and wear resistance for longer service life
• Designed to tolerate a range of temperatures and pH values found in marine cooling systems
• Compact dimensions help ensure a precise fit in supported applications

Usage scenarios

Ideal as an OEM-style replacement during routine maintenance, seasonal service, or in-field replacement when a cooling impeller shows signs of wear. The included O-rings and gaskets support a cleaner seal during reassembly and help minimize potential leaks.

If you have any questions about our product, we are always here to help and offer support tailored to your setup.