Answering the common buyer question: which stainless steel impeller outboard jet delivers reliable flow and acceleration? This guide compares five top options designed for medium to large jet pumps, helping buyers choose by size, compatibility, and performance. Each product is best for specific boat brands and pump series. Use the comparison table and buying guide to pick the right fit for Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki, or Evenrude jet systems.
| Product | Impeller Size | Series | Best For |
|---|---|---|---|
| PratRaken 7 3/8 Outboard Jet Impeller | 7 3/8 in | Large Series | Yamaha, Mercury, Tohatsu, Honda, Evenrude, Suzuki |
| VRIWOY Outboard Jet Impeller 7 3/8 | 7 3/8 in | Large Series | Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki |
| VRIWOY 6 1/8 Outboard Jet Impeller | 6 1/8 in | Medium Series | Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki |
| PratRaken 6 1/8 Outboard Jet Impeller | 6 1/8 in | Medium Series | Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki |
| 6-7/8″ Outboard Jet Impeller Stainless | 6-7/8 in | Large Series | Mercury, Johnson, Evinrude |
PratRaken 7 3/8 Outboard Jet Impeller
Product data: Impeller Size 7 3/8; 3 blades; Large Series; Part No. 1756; Flanged Liner & Wear Ring #1431; Material polished stainless steel. Fits Yamaha, Mercury, Tohatsu, Honda, Evenrude, Suzuki. Polished stainless steel edges reduce turbulence to boost jet pump acceleration.
Best for: buyers needing a large-series impeller with a robust stainless build to restore performance on multiple brands. Choose this if your jet pump is in the large-series category and your model aligns with Part 1431 liner compatibility. Caution: verify exact fitment with the detailed compatibility page before purchasing.
VRIWOY Outboard Jet Impeller 7 3/8
Product data: Impeller Size 7 3/8; 3 blades; Large Series; Part No. 1756; Flanged Liner & Wear Ring #1431; Material polished stainless steel. Compatible with Suzuki, Mercury, Yamaha, Tohatsu, Honda, Evenrude jet pumps; includes liner and wear ring.
Best for: buyers seeking broad-brand compatibility in a large-series kit with a polished finish for smoother water flow. Better for: when upgrading several brands or replacing wear surfaces at once. Limitation: check exact model compatibility since some Suzuki/Mercury variants require chart confirmation.
VRIWOY 6 1/8 Outboard Jet Impeller
Product data: Impeller Size 6 1/8; Diameter 156mm; 3 blades; Medium Series; Part No. 1737; Flanged Liner #1521; Zinc Aluminum Alloy wear ring. Fits Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki models.
Best for: buyers with medium-series jet pumps who need polished stainless steel with a reliable liner setup. Choose this for balanced performance across common brands. Caution: verify exact fitment for non-Yamaha/Mercury models to avoid mismatch.
VRIWOY Outboard Jet Impeller 6 1/8, Medium Series
Product data: Impeller Size 6 1/8; 3 blades; Polished stainless steel; Part 1737; Includes Flanged Liner #1521 and wear ring; Fits Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki. Polished edges help streamline water flow for better acceleration.
Best for: buyers who want a medium-series, polished stainless option with reliable liner components. Better for: preserves compatibility across multiple brands while maintaining a clean flow. Limitation: ensure your pump uses the 1521 liner and 1705 key configuration.
6-7/8″ Outboard Jet Impeller Stainless
Product data: Impeller Size 6-7/8″; 3 blades; Large Series; Part 1833 liner; Flanged Liner with Zinc-Aluminum Alloy wear ring; Replaces OEM 855708T60; Fits Mercury, Johnson, Evinrude.
Best for: buyers with older large-series jets needing OEM-replacement equivalents. Choose this if your pump requires the 1833 liner and 855708T60 cross-reference. Caution: verify exact model compatibility since OEM references vary by year and hull configuration.
Buying Guide: Key Considerations For Stainless Steel Jet Impellers
- Impeller size and series: Match the impeller size (6 1/8, 6-7/8, 7 3/8) to your jet pump’s intake and the appropriate series (Medium or Large) to ensure proper fit and performance.
- Liner and wear ring compatibility: Confirm the liner part numbers (#1521, #1431) and the wear ring specification to ensure proper clearance and reduced cavitation.
- Brand compatibility: Most listings state compatibility with Yamaha, Mercury, Tohatsu, Honda, Johnson, Suzuki, and Evenrude. Always verify exact model compatibility in the product description or compatibility chart.
- Material quality: All options in this guide are polished stainless steel for strength and corrosion resistance. This improves edge sharpness and water flow, reducing turbulence.
- Installation notes: Some products include a Tee Key or specific liner components. If you’re unsure about fitment, contact the seller for confirmation before purchase.
- Performance expectations: Polished stainless steel impellers typically offer smoother water flow and better acceleration, but actual gains depend on hull, engine condition, and pump clearance.
Frequently Asked Questions
- What is the advantage of a polished stainless steel impeller?
– It reduces water turbulence at the inlet and sharpens edges for smoother flow and improved acceleration. - How do I know which impeller size I need?
– Check your jet pump’s original size (6 1/8, 6-7/8, 7 3/8) and ensure the liner/wear ring numbers match your pump configuration. - Are these impellers interchangeable between brands?
– Many are listed as compatible with multiple brands, but exact fitment depends on the model and compatibility chart. Always verify before purchasing. - What is the risk of using an incorrect liner number?
– An incompatible liner can cause improper clearance, increased cavitation, or reduced performance. Match the liner and wear ring to your pump. - Do larger impellers always provide more speed?
– Not necessarily. Performance depends on pump clearance, hull load, and engine condition. Larger impellers may improve flow in some setups but can also affect cavitation if not matched. - Can I mix impeller brands with liners?
– Mixing brands is not recommended unless the compatibility chart explicitly confirms cross-compatibility for your pump model.