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• 90-121-01C - SE121 Bravo I, II, III Upper Unit 29/27 Gear Tooth Count Replaces 1589-8868H87 1589-863836A50

90-121-01C - SE121 Bravo I, II, III Upper Unit 29/27 Gear Tooth Count Replaces 1589-8868H87 1589-863836A50

List Price —	Your Price $2545.00
Part Number 90-121-01C	Manufacturer SEI Marine

Available to Order

SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Installation Kit sold separately, please see below. 

SE121 Upper Gear Housing Complete

29 tooth drive gear / 27 tooth pinion gear
Fits Bravo I, 1.36:1 Ratio
Fits Bravo II, 1.5:1 and 1.81:1 Ratios
Fits Bravo III, 1.36:1 and 1.81:1 Ratios

Not a replacement for Bravo X,XR or XZ drives.
Rated for up to 425HP.

Replaces 1589-8868H87, 1589-863836A50 & 1589-863836R50

Related Items

Installation Kit
90-121-03K

SEI Marine 90-121-01c - Se121 Bravo I, Ii, Iii Upper Unit 29/27 Gear Tooth Count Replaces 1589-8868h87 1589-863836a50 is equivalent to parts:

• 8868H87 Mercury Marine
• 863836R50 Mercury Marine
• 863836A50 Mercury Marine
• 15898868H87 Mercury Marine
• 1589863836R50 Mercury Marine
• 1589863836A50 Mercury Marine
• 1589-8868H87 Mercury Marine
• 1589-863836R50 Mercury Marine
• 1589-863836A50 Mercury Marine
• 1589 8868H87 Mercury Marine
• 1589 863836R50 Mercury Marine
• 1589 863836A50 Mercury Marine

SEI is the largest manufacturer of aftermarket sterndrives and outboard lower units in the world. Every SEI complete gearcase and outdrive carries a 3-Year No-Fault Warranty.

List Price
—

Your Price
$2,545.00

Available to Order

SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
90-121-01C

Manufacturer
SEI Marine

Installation Kit sold separately, please see below. 

SE121 Upper Gear Housing Complete

29 tooth drive gear / 27 tooth pinion gear
Fits Bravo I, 1.36:1 Ratio
Fits Bravo II, 1.5:1 and 1.81:1 Ratios
Fits Bravo III, 1.36:1 and 1.81:1 Ratios

Not a replacement for Bravo X,XR or XZ drives.
Rated for up to 425HP.

Replaces 1589-8868H87, 1589-863836A50 & 1589-863836R50

 

Related Items

Installation Kit
90-121-03K

SEI Marine 90-121-01c - Se121 Bravo I, Ii, Iii Upper Unit 29/27 Gear Tooth Count Replaces 1589-8868h87 1589-863836a50 is equivalent to parts:

• 8868H87 Mercury Marine
• 863836R50 Mercury Marine
• 863836A50 Mercury Marine
• 15898868H87 Mercury Marine
• 1589863836R50 Mercury Marine
• 1589863836A50 Mercury Marine
• 1589-8868H87 Mercury Marine
• 1589-863836R50 Mercury Marine
• 1589-863836A50 Mercury Marine
• 1589 8868H87 Mercury Marine
• 1589 863836R50 Mercury Marine
• 1589 863836A50 Mercury Marine

SEI is the largest manufacturer of aftermarket sterndrives and outboard lower units in the world. Every SEI complete gearcase and outdrive carries a 3-Year No-Fault Warranty.

90-121-01C - SE121 Bravo I, II, III Upper Unit 29/27 Gear Tooth Count Replaces 1589-8868H87 1589-863836A50 75.0000 75.0000 lb SEI Marine 90-121-01C Installation Kit sold separately, please see below. SE121 Upper Gear Housing Complete 29 tooth drive gear / 27 tooth pinion gearFits Bravo I, 1.36:1 RatioFits Bravo II, 1.5:1 and 1.81:1 RatiosFits Bravo III, 1.36:1 and 1.81:1 Ratios Not a replacement for Bravo X,XR or XZ drives.Rated for up to 425HP. Replaces 1589-8868H87, 1589-863836A50 and 1589-863836R50 2,545.00