JLM Marine Boat Parts Limited
Discount Code

You have done this dance before. The dealer wants an eye-watering price for a Mercury fuel pump diaphragm kit — and it is backordered anyway. The parts counter guy shrugs when you ask about the 1998 Johnson 115: “Might be discontinued, cannot look it up without the serial number.” And that “OEM-compatible” impeller you grabbed off Amazon last spring? The rubber compound was so soft it started shedding vanes by August. You pulled the lower unit twice in one season.

JLM Marine Boat Parts Limited has manufactured marine components for over 20 years — the same factory lines that supply major outboard brands produce the parts in their 7,000+ SKU catalog. Instead of paying the dealer markup chain, you are buying direct from the manufacturer. Every part is built to meet or exceed OEM specifications across Yamaha, Mercury, Honda, Suzuki, Johnson, Evinrude, Volvo Penta, Tohatsu, and MerCruiser platforms. And your 10% off code ****** shaves factory pricing even further.

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Here is what separates a real marine parts manufacturer from a warehouse that relabels generic imports — the catalog tells the story. JLM covers 9 major outboard brands with 7,000+ individual SKUs: water pump impellers, carburetor rebuild kits, fuel pumps, fuel filters, raw water pumps, engine decals, boat accessories, universal drain plugs. A dropshipper does not stock Mercury fuel pump kits and Tohatsu raw water pump rebuilds in the same inventory — that range of tooling requires actual manufacturing infrastructure. Twenty years of production means their tolerances have been refined across production runs. In other words, the impeller you order today benefits from two decades of incremental process improvements, not a one-off batch run. JLM occupies the factory-direct end of the marine parts market — not competing with West Marine or BoatUS on retail floor experience, but on manufacturing-side pricing where those retailers source their inventory from suppliers operating at similar margins. For direct comparisons, quote your specific part number at your local dealer, then check JLM’s listed price.

What JLM Actually Manufactures

The catalog breaks down into two buckets: wear items you replace every season or two, and hard parts that fail less often but cost significantly more when they do. Water pump impellers — the rubber-vaned heart of your outboard’s cooling system — are JLM’s core category, covering Yamaha, Mercury, Suzuki, Honda, and Johnson/Evinrude platforms. Carburetor rebuild kits follow the same cross-brand approach with gaskets, needles, seats, and float assemblies matched to specific engine models. Fuel pumps and fuel filters round out the fuel system lineup — these are the parts that strand you when they fail, and the ones dealers mark up the hardest because they know you need them immediately. Raw water pumps, universal drain plugs, and engine decals fill out the catalog for restorations and routine maintenance. And if you are refreshing a vintage outboard’s appearance, the decal and sticker selection covers Johnson, Evinrude, Mercury, and Yamaha cowling graphics that dealers stopped stocking years ago.

Factory-Direct vs Dealer Pricing — The Real Math

The 30-60% savings claim is not marketing fluff — it is what happens when you remove two or three markup layers from the supply chain. A dealer buys from a distributor, who buys from a wholesaler, who buys from the manufacturer. Each link adds margin. JLM is the manufacturer. On parts that dealers retail at a premium during peak boating season, factory-direct pricing strips those layers out before you even apply the coupon. The 10% code ****** takes additional percentage points off that already-reduced base. For a full-season maintenance haul — impeller, carb kit, fuel filter, lower unit oil, replacement drain plugs — the gap between dealer pricing and factory-direct with the coupon compounds across every line item. Marine repair shops buying in volume see those margins stack across every job ticket. DIY owners maintaining multiple engines over a season will notice it by the second order.

1. Click the JLM Marine link below — it opens in a new tab.
2. Enter code ****** in the coupon field at checkout.
3. Verify the final price before completing your purchase.