MerCruiser parts and outdrive drawings

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Mercruiser lower gear case drawing # 6-15

Mercruiser lower gear case housing components and parts #6-15 with a technical breakdown drawing and photos of parts

  • Parts for the MerCruiser lower gearcase 
  • Screws, tube guide, O-rings 
  • Wear plate, nuts, keys 
Mercruiser-Parts-Lower-Gearcase-1972-thru-1983.jpg
Mercruiser Parts Lower Gearcase 1972 thru 1983

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Picture
#
Description
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6

# 12821 Screw

  $4.59

  $5.59 cdn

T 21180 lock nuts.jpg
21180 lock nuts

7

# 21180 Nut (5 units)

  $4.59

  $5.59 cdn

T 12830 grommet.jpg
12830 grommet

8

 
# 12830 Seal 
(Included in water pump kit)
   
T 12820 water tube guide.jpg
12820 water tube guide

9

# 12820 Tube guide (1 unit) (Included in water pump kit)

  $4.59

  $5.59 cdn

T 81160 o ring.jpg
81160 o ring

10

# 81160 O-ring (Included in water pump kit)

  $4.59

  $5.59 cdn

T 21190 lock nuts.jpg
21190 lock nuts

11

 
# 21190 Nuts (5 units)
OEM # 11-13436

  $7.59

  $8.59 cdn

T 21490 Washer.jpg
21490 Washer

12

# 21490 Washer (10 units)

  $4.59

  $5.59 cdn

T 11070 impeller key.jpg
11070 impeller key

13

 
# 11070 Key (1 unit)
OEM # 28-56654

  $7.59

  $8.59 cdn

T 31020 water pump gasket.jpg

14

 
# 31020 Gasket 
(Included in water pump kit)
   
T 12510 impeller wear plate.jpg
12510 impeller wear plate

15

 
# 12510 Wear plate
 (Included in water pump kit)
   

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