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79953Q04 Lower Gear Lube Fill Hole Screw for Mercury MerCruiser
✅ In stock
📉 Price recently dropped
D
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 14, 2026 7:37 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 🏷️The listed retail price is trimmed by 7% at checkout.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
4.62/22
Market Standing
10.43/20
Deal Strength
7/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
JLMarine
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓This set of 2 lower unit oil vent plugs and these drain plugs do not have magnetic properties
✓They serve as versatile replacements for various for Mercury drain plug models, including 10-79953Q04, 10-79953Q2, 10-79953A2, 79953Q04, 79953Q2, 79953A2, F50109, 816610A1, 79953, F40109, 816610A2, 28634A1, 28634, 20259, Sierra 18-2244, and Mallory 9-72650
✓These drain plugs are compatible with a range of for marine engines, including for Mercury 3 Cyl EFI models with 30, 40, 75, 80, 90, 115, and 125 HP, 4 Cyl EFI models with 40, 50, and 60 HP, 6 Cyl Pro XS models with 175, 200, 225, and 250 HP, as well as MerCruiser engines with 1.5, 2.5, and 3.0 L displacement.
✓They help prevent gear lube from leaking out and water from seeping into the gear case, which could otherwise cause serious damage to the engine and its components.
✓To use these drain plugs, you simply pump oil into the bottom plug until it flows out of the top plug. After ensuring proper lubrication, you screw the top plug in tightly, and then quickly secure the bottom plug to minimize oil loss. This straightforward process simplifies routine maintenance tasks for your boat's lower unit.
⚙️ Specifications
JLM Marine Parts Manufacturer
JLM MARINE
Gearcase Drain Screw
1.76 ounces
4 x 3 x 0.2 inches
10-79953Q2
Machined
10-79953A2
10-79953Q04, 10-79953Q2
Lower
Manufacturer
JLM MARINE
Brand
JLM MARINE
Model
Gearcase Drain Screw
Item Weight
1.76 ounces
Package Dimensions
4 x 3 x 0.2 inches
Item model number
10-79953Q2
