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Diagnostics, Repairs, and Maintenance
This genuine Sherwood impeller is the 27000K model and is supplied complete with an O-ring, gaskets and a technical guide. It has 12 vanes and features a threaded/splined keyway, meaning it can be removed with an impeller puller. The neoprene impeller is designed to fit on a 3/4" pump shaft and should only be used to pump water.
This 27000K impeller is suitable for use in the Sherwood 27000 series pumps: P2701-01, P2702-01, P2704-01, P2705-01, P2706-01, P2708-01, P2709-01, P2710-01, P2701X and P2708X.
Sherwood marine raw water pumps all feature a flexible neoprene impeller which attaches to the shaft. The shaft rotation powers the impeller which transfers the water by creating a vacuum on the inlet side and then forcing water out in a uniform flow on the outlet side. As such an important component, you should ensure that your pump impeller is always in top condition and that you always use the correct impeller for your application. This will help to ensure the best engine performance and prolong engine life.
Sherwood recommend that all impellers are replaced at least annually (depending on application) to maintain impeller performance, however it is good practice to inspect them often to check for excessive abrasions or damage. It is also recommended that during long periods of being unused, impellers should be removed from the pump housing to prevent ultraviolet deterioration, vanes setting into position and copper bonding of the impeller to the housing. Any issues with your impeller can lead to engine overheating, which is the main reason for premature engine wear.
| Brand | Sherwood |
| Impeller Shaft Diameter | 19mm |
| Number of Impeller Blades | 12 |
| Construction | Neoprene |
| Contents | 1 x 27000 Impeller, 1 x 15945 O-Ring, Gaskets & Technical Guide |
| Diameter | 84mm (3-5/16"), Shaft 19mm (3/4") |
| Drive Type | Spline Drive. 11 Tooth with Thread |
| Model | 27000K |
| Replaces | Cummins 3974456 |
| Suitability | Sherwood 27000 Series Pumps: P2701-01, P2702-01, P2704-01, P2705-01, P2706-01, P2708-01, P2709-01, P2710-01, P2701X & P2708X |
| Depth | 73mm (2-7/8") |
All returns must be authorized. Items returned prior authorization will not be accepted.
Defective new equipment may be returned for warranty repair/exchange to us within five (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to a repair charge.
Non-Defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returns in which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.
**There's a 20% Restocking Fee on All Returned Palmgren Products in Original Packaging
To get your RMA, simply call (800) 364-4637 for a return authorization number or email sales@palmerpower.com .
(Do not write anything on the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.) Please include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty days.
To check the status of your return, please email us at sales@palmerpower.com. Please be sure to include your RMA number. For more information please check our FAQ page.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
We will service your boat whether you bought it from us or not. Our award-winning boat service department has a full-time staff of seasoned, factory-certified technicians dedicated to ensuring that your boat runs well for years to come. Our team is trained to correctly diagnose issues, advise you of any developing problems, and address any unique service issues your boat may require. Whether you need complex engine work and repairs, canvas and upholstery, boat tune Up, electronics installation or repair, or boat detailing, our technicians will work quickly to keep you out of the shop and on the water. Not only does our service department provide the highest quality service, we also have a large parts department for the do-it-yourself types. Ask about our inventory of parts and aftermarket additions to make your own repairs or upgrades.
All returns must be authorized. Items returned prior authorization will not be accepted. International customers must ship any returns to us freight and duty prepaid. Return freight charges for International shipments will be the responsibility of the customer.
Defective new equipment may be returned for warranty repair/exchange to us within five (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to a repair charge.
Non-Defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returns in which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.
(Do not write anything on the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.) Please include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty days.Palmer Power accepts a variety of payment options for your convenience. For prepayment, we accept all major credit cards (Visa, MasterCard, Discover and American Express), Purchase Orders, and international wire transfers. We also offer credit terms to existing customers.