Lower Units & Gearcases
Shop genuine Mercury lower units, complete gearcase assemblies, and replacement gearcase components for a variety of Mercury outboard applications. Find OEM gearcases and related components designed for proper fitment and reliable performance.
Mercury gearcase fitment can vary by engine serial number, model, shaft length, gear ratio, rotation, and application. If you're not sure which lower unit you need, visit our Lower Unit & Gearcase Guide to learn more about fitment and replacement options.
Need help confirming fitment? Have your engine serial number ready and contact our team at (727) 596-5929.
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On Sale
Mercury 250-300 HP L6 Verado 1.85:1 XL Complete Gearcase 8M0117260
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury Complete Gearcase 8M0117260 is a genuine Mercury OEM replacement lower unit for select 250 and 300 HP L6 Verado outboards. This assembly is the cambered, standard-rotation, X-Long...8M0117260- SKU:
- 8M0117260
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,200.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury 300 HP L6 Verado 1.85:1 XXL Complete Gearcase (Silver) 8M0117268
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury Complete Gearcase 8M0117268 is a genuine Mercury OEM replacement lower unit for select 300 HP L6 Verado outboards. This assembly is the silver, cambered, standard-rotation, XX-Long...8M0117268- SKU:
- 8M0117268
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,216.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Verado 1.85:1 Counter-Rotation XX-Long Complete Gearcase (Silver) 8M0117281
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury Verado 1.85:1 Counter-Rotation XX-Long Complete Gearcase 8M0117281 is a genuine Mercury OEM complete gearcase assembly. This Verado gearcase has a 1.85:1 gear ratio, counter rotation, XX-Long...8M0117281- SKU:
- 8M0117281
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,232.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury L6 Verado 1.85:1 Counter-Rotation X-Long Complete Gearcase (Silver) 8M0117280
Mercury
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Mercury L6 Verado 1.85:1 Counter-Rotation X-Long Complete Gearcase 8M0117280 is a genuine Mercury OEM complete gearcase assembly. This L6 Verado gearcase has a 1.85:1 gear ratio, counter rotation,...8M0117280- SKU:
- 8M0117280
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,312.00 Ounces
MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Qty in Cart: 0Quantity:Price:MSRP: $11,250.00Now: $9,922.50Was: $11,250.00Subtotal: -
On Sale
Mercury Gear Case 500-600 BASIC OEM 8M0174565
Mercury
MSRP: $11,136.99Now: $9,822.71Was: $11,136.99Genuine Mercury Gear Case 500-600 BASIC, part number 8M0174565. Designed for use with compatible applications.8M0174565- SKU:
- 8M0174565
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,088.00 Ounces
MSRP: $11,136.99Now: $9,822.71Was: $11,136.99Qty in Cart: 0Quantity:Price:MSRP: $11,136.99Now: $9,822.71Was: $11,136.99Subtotal: -
On Sale
Mercury Gear Case 5.44 CXXL 1.6W OEM 8M0236167
Mercury
MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Genuine Mercury Gear Case 5.44 CXXL 1.6W, part number 8M0236167. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0159684, 8M0176875, 8M0188168.8M0236167- SKU:
- 8M0236167
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,104.00 Ounces
MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Qty in Cart: 0Quantity:Price:MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Subtotal: -
Mercury Complete Gearcase 5.44 XX-Long Long 1.6 W 8M0236148
Mercury
MSRP: $10,980.00$9,333.00Mercury Complete Gearcase 5.44 XX-Long Long 1.6 W 8M0236148 is a genuine Mercury Marine OEM complete gear housing assembly / lower unit for the compatible applications and configuration listed below...8M0236148- SKU:
- 8M0236148
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,360.00 Ounces
MSRP: $10,980.00$9,333.00 -
Mercury Complete Gearcase 5.44 Counter-Rotation XX-Long 1.6W 8M0236164
Mercury
MSRP: $10,980.00$9,333.00Mercury Complete Gearcase 5.44 Counter-Rotation XX-Long 1.6W 8M0236164 is a genuine Mercury Marine OEM complete gearcase / lower unit for the compatible application and configuration listed below...8M0236164- SKU:
- 8M0236164
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,296.00 Ounces
MSRP: $10,980.00$9,333.00 -
On Sale
Mercury Gear Case 5.44 XXL 1.6W OEM 8M0236150
Mercury
MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Genuine Mercury Gear Case 5.44 XXL 1.6W, part number 8M0236150. Designed for use with compatible applications.8M0236150- SKU:
- 8M0236150
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,152.00 Ounces
MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Qty in Cart: 0Quantity:Price:MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Subtotal: -
On Sale
Mercury Gear Case 5.44 XXL 1.6 W OEM 8M0176870
Mercury
MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Genuine Mercury Gear Case 5.44 XXL 1.6 W, part number 8M0176870. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0159681.8M0176870- SKU:
- 8M0176870
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,232.00 Ounces
MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Qty in Cart: 0Quantity:Price:MSRP: $10,980.00Now: $9,683.10Was: $10,980.00Subtotal: -
Mercury Complete Gearcase 5.44 X Long 1.6 White 8M0236144
Mercury
MSRP: $10,945.00$9,303.25Mercury Complete Gearcase 5.44 X Long 1.6 White 8M0236144 is a genuine Mercury Marine OEM complete gear housing assembly / lower unit for the compatible applications and configuration listed below...8M0236144- SKU:
- 8M0236144
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,792.00 Ounces
MSRP: $10,945.00$9,303.25 -
Mercury Complete Gearcase 5.44 Counter Rotation X Long 1.60W 8M0236160
Mercury
MSRP: $10,945.00$9,303.25Mercury Complete Gearcase 5.44 Counter Rotation X Long 1.60W 8M0236160 is a genuine Mercury Marine OEM complete gear housing assembly / lower unit for the compatible applications and configuration...8M0236160- SKU:
- 8M0236160
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,856.10 Ounces
MSRP: $10,945.00$9,303.25 -
Mercury 5.44" 1.60:1 X Long Complete Gearcase 8M0236146
Mercury
MSRP: $10,945.00$9,303.25Mercury 5.44" 1.60:1 X Long Complete Gearcase 8M0236146 is a genuine Mercury Marine OEM replacement lower unit for compatible Mercury marine applications.This complete gearcase is supplied as an...8M0236146- SKU:
- 8M0236146
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,072.00 Ounces
MSRP: $10,945.00$9,303.25 -
On Sale
Mercury Gear Case 5.44 CXL CMB W OEM 8M0236162
Mercury
MSRP: $10,945.00Now: $9,651.60Was: $10,945.00Genuine Mercury Gear Case 5.44 CXL CMB W, part number 8M0236162. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0159683, 8M0176864, 8M0188164.8M0236162- SKU:
- 8M0236162
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,440.00 Ounces
MSRP: $10,945.00Now: $9,651.60Was: $10,945.00Qty in Cart: 0Quantity:Price:MSRP: $10,945.00Now: $9,651.60Was: $10,945.00Subtotal: -
Mercury Complete Gearcase 5.44 X Long 1.6 White 8M0176858
Mercury
MSRP: $10,945.00$9,303.25Mercury Complete Gearcase 5.44 X Long 1.6 White 8M0176858 is a genuine Mercury Marine OEM complete gear housing assembly / lower unit for the compatible applications and configuration listed below...8M0176858- SKU:
- 8M0176858
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,232.00 Ounces
MSRP: $10,945.00$9,303.25 -
On Sale
Mercury Gear Case 5.44 XL 1.6CMW OEM 8M0176860
Mercury
MSRP: $10,945.00Now: $9,651.60Was: $10,945.00Genuine Mercury Gear Case 5.44 XL 1.6CMW, part number 8M0176860. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 8M0159680.8M0176860- SKU:
- 8M0176860
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,184.00 Ounces
MSRP: $10,945.00Now: $9,651.60Was: $10,945.00Qty in Cart: 0Quantity:Price:MSRP: $10,945.00Now: $9,651.60Was: $10,945.00Subtotal: -
Mercury 5.44-Inch XXX-Long Standard-Rotation Complete Gearcase 8M0236183
Mercury
MSRP: $10,920.00$9,282.00Mercury 5.44-Inch XXX-Long Standard-Rotation Complete Gearcase 8M0236183 is a genuine Mercury Marine OEM complete gear housing assembly / lower unit for the compatible applications and configuration...8M0236183- SKU:
- 8M0236183
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $10,920.00$9,282.00 -
Mercury Complete Gearcase 5.44 Counter-Rotation XXX-Long Silver 8M0236188
Mercury
MSRP: $10,920.00$9,282.00Mercury Complete Gearcase 5.44 Counter-Rotation XXX-Long Silver 8M0236188 is a genuine Mercury Marine OEM complete gearcase / lower unit for the compatible application and configuration listed below...8M0236188- SKU:
- 8M0236188
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $10,920.00$9,282.00 -
On Sale
Mercury Gear Case 5.44 CXXXL SLR OEM 8M0199844
Mercury
MSRP: $10,920.00Now: $9,626.40Was: $10,920.00Genuine Mercury Gear Case 5.44 CXXXL SLR, part number 8M0199844. Designed for use with compatible applications.8M0199844- SKU:
- 8M0199844
- Availability:
- Usually Ships within 24hours
- Weight:
- 1,328.00 Ounces
MSRP: $10,920.00Now: $9,626.40Was: $10,920.00Qty in Cart: 0Quantity:Price:MSRP: $10,920.00Now: $9,626.40Was: $10,920.00Subtotal: -
Mercury Gear Case-OB IV SSM OEM 8M0176563
Mercury
$10,904.76Genuine Mercury Gear Case-OB IV SSM, part number 8M0176563. Designed for use with compatible applications.8M0176563- SKU:
- 8M0176563
- Availability:
- Usually Ships within 24hours
- Weight:
- 672.00 Ounces
$10,904.76
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