FREE Shipping on orders of $149 or more
  • Questions? 863-354-6377
  • Order Status
  • Help & Info
  • Contact Us
 
Boats.net Logo

Checkout

SHOP BY
Brand
  • OEM Parts
  • Evinrude
  • Honda
  • Johnson
  • Mercury
  • Nissan
  • OMC
  • Suzuki
  • Tohatsu
  • Yamaha
  • Aftermarket Parts & Accessories
  • Outboard Motors
  • Outboard Blowout Sales
  • Propellers
  • Sign In Sign Up Order Status
    YOUR
    Account
    • Sign In
    • New to Boats.net?Sign Up
    0

    Your cart is empty

    View Cart
     

    Choose your location

    Delivery options and delivery speeds may vary for different locations

    Sign In
     

    or enter a zip code

    Your Account Session Has Timeout. Please Login Again.

    Mercury 507B1A - 1981 MOTOR LEG Diagram

    Mercury
    1. Catalog
    2. Mercury
    3. Chrysler Outboard Parts By HP & Model
    4. 50HP
    5. 507B1A - 1981
    6. MOTOR LEG

    Check Availability

    # Description Price Qty
    1 CYLINDER EXHAUST GASKET UPPER
    F307279-2
    Ships in 2 to 3 days
    $5.50
    $5.12
    Add
    2 SPACER PLATE
    F433680
    Unavailable  
    3 LEG EXHAUST TUBE
    F307660-1
    Unavailable  
    4 FILL HD M. SCREW W/LOCKWASHER, 10 - 24 X 1/2
    F1851
    Unavailable  
    5 SEAL, KINGPIN PLATE
    817766A-1
    Unavailable  
    6 KINGPIN PLATE
    FS307940
    Unavailable  
    7 SHOCK MOUNT UPPER
    F203965
    Ships in 2 to 3 days
    $115.83
    $107.72
    Add
    8 SHOCK MOUNT UPPER COVER
    F433946
    Unavailable  
    9 CLAMP
    F286772-1
    Unavailable  
    10 PLAIN WASHER
    F8025
    Ships in 2 to 3 days
    $1.10
    $1.07
    Add
    11 HEX CAP SCREW, 1/4 - 20 X 5/8
    F1540
    Unavailable  
    12 HEX HD SCREW W/LOCKWASHER, 1/4 - 28 X 5/8
    F1211
    Unavailable  
    13 DAMPENING PAD
    F89025
    Unavailable  
    14 CYLINDER EXHAUST GASKET LOWER
    F40279-1
    Unavailable  
    15 SHOCK MOUNT - SIDE - UPPER
    F307962
    In Stock
    $112.25
    $109.61
    Add
    16 PLAIN WASHER
    F8038
    In Stock
    $0.50
    $0.49
    Add
    17 HEX NUT, 3/8 - 16
    F1346
    In Stock
    $2.20
    $1.23
    Add
    18 HEX HD SCREW, S.S., 1/4 - 20 X 1-3/8
    F1849
    Ships in 2 to 3 days
    $1.70
    $1.58
    Add
    19 SPRING LOCKWASHER
    F8083
    In Stock
    $0.90
    $0.88
    Add
    20 HEX HD SCREW, 1/4 - 20 X 1
    F1199
    Unavailable  
    21 MOTOR LEG EXHAUST COVER
    FA613832
    Unavailable  
    22 MOTOR LEG EXHAUST COVER GASKET
    F40833-4
    Unavailable  
    23 FILL HD SCREW, 1/4 - 20 X 3-7/16
    F1905
    Unavailable  
    24 MOTOR LEG
    F435133-1
    Unavailable  
    25 HEX HD CAP SCREW, S.S., 3/8 - 16 X 1-1/8
    F1929
    Ships in 2 to 3 days
    $3.00
    $2.79
    Add
    26 SPRING LOCKWASHER
    F8065
    In Stock
    $1.40
    $1.37
    Add
    27 SHOCK MOUNT LOWER COVER - PORT
    F433973
    Unavailable  
    28 HEX SOCKET HD CAP SCREW, S.S., 3/8 - 16 X 3-1/2
    F1635
    Unavailable  
    29 HEX SOCKET HD CAP SCREW, S.S., 3/8 - 16 X 1-1/4
    F1636
    Unavailable  
    30 PLASTIC PLUG
    F1880
    Unavailable  
    31 KINGPIN NUT
    F84280
    Unavailable  
    32 SWIVEL BRACKET WASHER
    F89011
    Unavailable  
    33 SHOCK MOUNT LOWER
    F183346-1
    Unavailable  
    34 FILL HD SCREW, S.S., 5/16 - 18 X 1/2
    F1129
    Unavailable  
    35 KINGPIN
    FA433019
    Unavailable  
    36 SWIVEL BRACKET BEARING
    F191169-1
    Unavailable  
    37 SWIVEL BRACKET
    FA545072
    Unavailable  
    38 STERN BRACKET FRICTION WASHER
    F522286
    Unavailable  
    39 SPACER, TILT STOP
    F269929
    In Stock
    $8.80
    $8.59
    Add
    40 TILT STOP PIVOT
    F366350
    In Stock
    $7.10
    $6.93
    Add
    41 TILT STOP - PORT
    F366426
    Ships in 2 to 3 days
    $31.50
    $29.30
    Add
    42 BOWED SPRING WASHER
    F1666
    Ships in 2 to 3 days
    $2.90
    $2.70
    Add
    43 SPACER, TILT STOP
    F269929
    In Stock
    $8.80
    $8.59
    Add
    44 STERN BRACKET - PORT
    F522532
    Unavailable  
    45 NUT
    F7007
    Unavailable  
    46 LOCK NUT, PIVOT TUBE
    F1600
    In Stock
    $3.70
    $3.61
    Add
    47 PLASTIC PLUG, PIVOT TUBE
    F9052
    Unavailable  
    48 HEX HD SCREW, S.S., 3/8 - 16 X 3
    F1593
    Unavailable  
    49 PLAIN WASHER
    F1904
    Unavailable  
    50 HEX NUT, S.S., 3/8 - 16
    F1346
    In Stock
    $2.20
    $1.23
    Add
    51 DECAL, TILT LOCK
    F544390-1
    Unavailable  
    52 PIN
    F366866
    Unavailable  
    53 REVERSE LOCK SPRING
    F366300
    Ships in 2 to 3 days
    $4.90
    $4.56
    Add
    54 REVERSE LOCK
    F366349
    Ships in 2 to 3 days
    $111.42
    $103.62
    Add
    55 STOP NUT
    F1669
    In Stock
    $2.50
    $2.45
    Add
    56 PAN HD SCREW, 10 - 24 X 9/16
    F1733
    Ships in 2 to 3 days
    $1.10
    $1.02
    Add
    57 HANDLE AND SHAFT
    F366827
    Unavailable  
    58 BEARING
    F522884
    Unavailable  
    59 RING, RETAINING-REV. LOCK SHAFT
    F522741
    Unavailable  
    60 ARM
    F366364
    Ships in 2 to 3 days
    $6.00
    $5.58
    Add
    61 LINK
    F366510-1
    Unavailable  
    62 SPRING PIN
    F1836
    Ships in 2 to 3 days
    $0.80
    $0.74
    Add
    63 BEARING
    F483884
    Unavailable  
    64 GREASE FITTING
    F213274
    Unavailable  
    65 SPACER, TILT STOP
    F269929
    In Stock
    $8.80
    $8.59
    Add
    66 TILT STOP, STARBOARD
    F366433
    Unavailable  
    67 SPACER, TILT STOP
    F269929
    In Stock
    $8.80
    $8.59
    Add
    68 STERN BRACKET - STARBOARD
    F522032
    Unavailable  
    69 STUD
    F353480
    Unavailable  
    70 CLAMP SCREW FOOT
    F24074
    Unavailable  
    71 TUBE, PIVOT STEERING
    F522125-1
    Unavailable  
    72 PLASTIC CAP, PIVOT TUBE
    F9018
    Unavailable  
    73 SPRING PIN
    F8538
    Ships in 2 to 3 days
    $0.40
    $0.37
    Add
    74 CLAMP SCREW
    F474073-1
    Unavailable  
    75 STERN BRACKET LOCK BAR
    FA433113
    Unavailable  
    76 SPRING PIN
    F1744
    Ships in 2 to 3 days
    $3.90
    $3.63
    Add
    77 HANDLE, LOCK BAR
    F433114
    Unavailable  
    78 SPRING LOCK BAR HANDLE
    F286461
    Ships in 2 to 3 days
    $13.20
    $12.28
    Add
    79 GEAR SHIFT ROD COUPLING
    F141704
    Ships in 2 to 3 days
    $30.25
    $28.13
    Add
    80 HEX NUT, S.S., 5/16 - 18
    F1349
    In Stock
    $3.00
    $2.93
    Add
    81 RETAINING RING
    F185764
    In Stock
    $0.93
    $0.90
    Add
    82 BOWED SPRING WASHER
    F8049
    Unavailable  
    83 PLAIN WASHER
    F1987
    In Stock
    $2.20
    $2.15
    Add
    84 GEAR SHIFT ROD UPPER
    F307615
    Unavailable  
    85 ACORN NUT, S.S., 5/16 - 18
    F1326
    Unavailable  
    86 SHOCK MOUNT LOWER COVER - STARBOARD
    F433972
    Unavailable  
    87 SHOCK MOUNT SIDE LOWER
    F215962
    Unavailable  
    88 FLANGED 12 POINT SCREW, 5/16 - 18 X 2
    F1947
    Unavailable  
    89 GROMMET, MOTOR LEG
    F89504
    Unavailable  
    90 FLAT HD SCREW, 1/4 - 28 X 5/8
    F1160
    Unavailable  
    91 SEAL, PIVOT TUBE
    F316599
    In Stock
    $1.40
    $1.37
    Add

     

     Need Help Finding Parts?

    Why Boats.net?

    Lowest Prices

    Find a lower price and we'll match.

    Elite Distributor

    Over 5 million orders shipped!

    FREE Shipping on orders of $149 or more!
    * Restrictions apply. Click here for details

    Commercial Discounts

    Special discounts for companies in the marine industry

    Details

    Government Sales

    Discounts for federal and most state and municipal agencies

    Details

    Questions? Call Us Toll Free

    863-354-6377

    Get the latest deals & promotions

    Questions? Call Us Toll Free 863-354-6377
    • Our Company
    • Help
    • Price Match Guarantee
    • Returns
    • Terms
    • Careers
    • Blog
    • Contact Us

    © 2000-2021 Boats.net.
    All Rights Reserved.