AUTOMAJOR AM235 Lower Unit Gear Drain Screw Gasket 697794360610 15PCS 26-830749 9MM Millimeters

( Brand: Automajor ), ( Manufacturer Part Number: AM235 ), ( Part Type: Gasket Unit Gear Screw Case ), ( Packagelength: 84 ), ( Packageweight: 18 ), ( Packagewidth: 83 ), ( Size: 14 Millimeters ), ( UPC: 697794360610 )

Review AUTOMAJOR 15pcs Lower Unit Gear Case Drain Screw Gasket 9mm Millimeters fits 2014

The **Automajor AM235 15-Piece Lower Unit Gear Drain Screw and Gasket Kit (Part #26-830749)** is a meticulously engineered replacement solution designed to ensure a secure, leak-free seal and effortless maintenance for marine outboard motors, particularly those featuring a **9mm (14mm outer diameter) drain plug configuration**. This comprehensive kit is crafted to address common wear and tear issues associated with lower unit gear drains, where corrosion, improper sealing, or damaged gaskets can lead to oil leaks, reduced performance, and potential internal damage. The kit includes **15 high-quality components**, including a **precision-machined drain screw** with a **right-hand thread** (standard for most outboards) and a **durable, heat-resistant gasket** designed to withstand the demanding conditions of marine environments. The gasket is engineered from **compression-molded rubber or synthetic elastomer**, offering superior resistance to oil, saltwater, and temperature fluctuations, ensuring long-term reliability. The drain screw itself is constructed from **corrosion-resistant stainless steel or high-grade alloy**, featuring a **smooth, polished finish** to prevent seizing and a **flat or slightly tapered washer face** for optimal sealing contact. This kit is specifically tailored for **9mm (14mm OD) drain plugs**, making it an exact fit for a wide range of **Evinrude, Johnson, Mercury, Yamaha, and other major outboard brands** that utilize this standard measurement. Whether performing routine maintenance, addressing a persistent oil leak, or upgrading an aging lower unit, this kit provides a **turnkey solution** that eliminates the need for multiple part numbers and ensures a professional-grade installation. Its inclusion of **extra gaskets and screws** allows for flexibility in repairs, accommodating minor variations in motor designs or providing spares for future servicing. By investing in the Automajor AM235 kit, boat owners and mechanics gain a **durable, easy-to-install upgrade** that enhances the longevity and efficiency of their outboard s lower unit, while minimizing downtime and repair costs.

### **Pros and Cons of buying a Automajor AM235 15-Piece Lower Unit Gear Drain Screw Gasket Kit (Part #26-830749, 9mm/14mm)**

1. **Compatibility** This kit is designed for specific marine lower units (likely for outboards like Mercury, Suzuki, or Yamaha in the 26-830749 series), ensuring a proper fit for drain plugs and gaskets.

2. **Complete Set** Includes 15 pieces, which suggests a full replacement kit rather than a single part, reducing the need for additional purchases.

3. **Quality Materials** Automajor is a reputable brand known for producing durable, corrosion-resistant marine parts, which is crucial for underwater components.

4. **Standardized Sizing** The 9mm and 14mm measurements are common for marine lower units, making it easier to find replacements if needed.

5. **Prevents Leaks** A proper gasket ensures a tight seal, preventing oil or gear lube leaks, which can damage the lower unit over time.

6. **Easy Installation** The kit likely includes all necessary gaskets and screws, simplifying the replacement process compared to sourcing parts individually.

7. **Cost-Effective** Buying a full kit upfront may be cheaper than purchasing individual parts separately, especially if multiple components need replacement.

1. **Potential Overkill** If only one or two parts (e.g., a single drain plug) need replacement, buying a full 15-piece kit may be unnecessary, leading to wasted inventory.

2. **Compatibility Risks** While the part number suggests broad compatibility, exact fit depends on the specific model and year of the lower unit. Double-checking with the manufacturer or a mechanic is advisable.

3. **Stock Availability** Some marine parts suppliers may not carry this exact kit, requiring special ordering or delays.

4. **Learning Curve** If the buyer lacks experience with marine lower unit maintenance, improper installation could lead to leaks or damage.

5. **Price Consideration** A full kit may be more expensive upfront than buying only what s needed, though long-term reliability justifies the cost for some users.

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The **Automajor AM235 15-piece lower unit gear drain screw gasket kit (26-830749, 9mm/14mm)** is a **high-quality, comprehensive solution** for maintaining or repairing marine lower units, particularly if multiple components require replacement. It offers **durability, compatibility, and convenience**, making it ideal for boat owners who prioritize long-term reliability and ease of installation.

However, if only **one or two parts** need replacing, the kit may be **overpriced or unnecessary**. In such cases, purchasing individual replacements could be more cost-effective. **Always verify compatibility** with the specific lower unit model before buying to avoid mismatches.

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- You re performing a **full lower unit service** (e.g., oil change, gear inspection).

- You want **spare parts on hand** for future maintenance.

- You trust Automajor s quality and need a **complete solution** upfront.

- Only **one or two components** (e.g., a single drain plug) need replacement.

- You re unsure about **exact compatibility** with your lower unit model.

- You prefer **buying parts individually** to save costs on unused components.

For best results, **consult the lower unit s service manual or a marine mechanic** before purchasing to confirm fitment. If in doubt, opt for a **partial replacement kit** or individual parts.

Details:

Used on lower unit gear case drain and fill screws Mercury, Mercuries, Mariner, Quicksilver outboard motors stern drives. Resistant to gear lube, saltwater, freshwater, and all marine fluids. Each lower unit has two drain points: the screw for draining old gear oil and upper vent/fill venting during refilling. Reusing old drain screw gaskets is one of the most common causes water intrusion into lower unit gear case leading to oil contamination the classic milky-coffee lube on dipstick, damage, bearing failure, and eventually catastrophic failure costing thousands repair.

Marine engines operate in some of the harshest conditions imaginable submerged saltwater or freshwater, exposed to constant moisture, temperature cycling, and high vibration loads. Backed by AUTOMAJOR trusted replacement parts for Mercury Marine boat owners and marine mechanics. Stainless steel core with bonded rubber coating on both sides. The rubber sealing surface conforms to microscopic imperfections in the lower unit housing for a watertight seal even on older units with wear.

Direct replacement for Mercury Marine OEM 26-830749 and 26-930749. Cross-references with newer Mercury part numbers 26-8M0204694 and 8M0204693. The lower unit gear case on every Mercury, Mercuries, Mariner, and Quicksilver outboard motor or stern drive has two drain points: the screw used for draining old oil upper vent/fill venting during refilling new oil. Stainless steel will not rust or corrode in saltwater, freshwater, any marine environment.

If your outboard or stern drive uses any of these part numbers, gaskets are the correct replacement. The stainless steel maintains structural integrity under torque while the rubber sealing surface conforms to microscopic imperfections in lower unit housing creating a watertight seal even on older units with wear. 15pcs Lower Unit Gear Case Drain Screw Gasket 26-830749 9mm 14 millimeters. These gaskets are manufactured with a stainless steel core and bonded rubber coating on both sides.

Dimensions: 9mm / 0.35in ID, 14mm 0.55in OD, 1.5mm 0.06in thickness.

part #: am235 prices

• $12.87-$16.99

specifications automobilefluids:

• for years: 2014
• brand: Automajor
• mpn: Am235
• part type: Gasket Unit Gear Screw Case
• packagelength: 84
• packageweight: 18
• packagewidth: 83
• size: 14 Millimeters
• upc: 697794360610

offer automobilefluids:

• started: May 7, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 3

general automobilefluids:

• condition: New
• Automotive Tools Supplies > Fluids Chemicals > Gasket Makers/Removers/Sealers

seller automobilefluids:

• city: Batesville, Mississippi
• rating: 98.5%
• # reviews: 1521

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shipping automobilefluids:

• transit: 2-6 Days
• class: Expedited
• cost: $0.00
• service: Expedited
• type: Fixed

returns automobilefluids:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

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