McCulloch MAC 10-10A Chainsaw Parts Lookup Diagram

Part numbers which have changed since the previous printing of the illustrated parts list covering this model, are indicated by a dash (-) preceding the new part number. The dash precedes part numbers changed by a letter suffix as well as those changed to an entirely new number.

View PDF Parts List: McCulloch MAC 10-10A Chainsaw Parts List
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McCulloch Parts by Category

  Air Filter
  Air Filter Cover
  AV Mount
  Baffle
  Bar
  Bar Nuts
  Bearing
  Brake Band
  Brake Handle
  Bucking Spikes
  Buffer
  Cable
  Carburetor
  Carburetor and Parts - Walbro
  Carburetor and Parts - Zama
  Chain Brake
  Chain Catcher
  Chainsaw Bar
  Chainsaw Chain
  Choke
  Clutch
  Clutch Cover
  Connecting Rod
  Crankshaft
  Cylinder
  Cylinder Cover
  Decal
  Drum
  Dust Cover
  Exhaust Gasket
  Flywheel
  Fuel Cap
  Fuel Filter
  Fuel Line
  Fuel Tank
  Gasket
  Handle
  Head Gasket
  Ignition Coil
  Ignition Condenser
  Ignition Points
  Manifold
  Muffler
  Muffler Gasket
  Needle Bearing
  Oil Cap
  Oil Line Hose
  Oil Pump
  Oil Seal
  Oil Tank
  Piston
  Piston Rings
  Piston Wrist Pin
  Primer Bulb
  Rear Handle
  Rebuild Kit
  Recoil Starter
  Saw Chain
  Repair Manual
  Spark Plug
  Spark Plug Boot
  Spikes
  Sprocket
  Sprocket Cover
  Sqrench
  Starter
  Starter Handle
  Starter Spring
  Starter Pawl
  Starter Pulley
  Switch
  Throttle
  Top Handle
  Trigger
  Wrap Handle

Part Numbers

Engine Exploded View, General
110454 Nut - Hex 5/16-24 2 41 -68532 Body 1
2 100440 Washer5/16 2 42 -68653 Gasket 1
3 Clutch Guard & Starter Assy
(See Figure 2)
43 110334 Screw - Oval hd 12-24 x 1-3/4 1
1 44 68442 Cover Fuel tank 1
4 Bar & Chain (See Figure 6) 1 45 62102 Gasket- Cover 1
5 102761 Screw - Hex hd 10-24 x 7/8 2 46 64848 Hose Assy Fuel 1
6 100352 Washer- #10 2 47 63932 . Filter Fuel 1
7 61678 Plug- Nut retainer 1 48 100440 . Washer 1
8 101326 Nut - Hex 10-24 2 49 67944 Spring - Hose stiffener 1
9 102130 Screw - Hex 1/4-20 x 1-1/2 1 50 110551 Screw - Hex hd 10-24 x 2-1/8 2
10 100153 Lockwasher - 1/4 1 51 68807 Bracket Assy 1
11 63484 Clamp Frame 1 52 Carburetor Assy (See Figure 4) 1
12 -68410 Frame & Grip Assy 1 53 68132 Gasket - Carburetor 1
13 103746 Nut - Hex 3/8-24 1 54 66678 Spacer - Carburetor 1
14 -68835 Clutch Assy
15 64583 Retainer
55 68131 Gasket Spacer 1
56 110553 Screw - Hex hd 10-24 x 1-3/8 2
16 66384 . Spring - Clutch 2 57 68582 Lockplate 1
17 67233 . Shoe - Clutch 2 58 100003 Washer - #10 2
18 -68842 Rotor Assy 1 59 66189 Sleeve 2
19 -68837 Spring - Pawl 2 60 110516 Screw - Hex hd 10-24 x 1-1/8 1
20 67112 Rivet 2 61 -68523 Lockplate 1
21 68836 Pawl 2 62 Fuel Tank Assy (See Figure 3) 1
22 65473 Washer- Special 2 63 68130 Gasket- Fuel tank 1
23 65370 Kit Sprocket, Drum & Bearing 64 66659 Insulator Fuel tank 1
Assy 1 65 68130 Gasket - Insulator 1
24 65368 Sprocket & Drum Assy 1 66 106078 Screw - Hex hd 10-24 x 7/16 1
25 110330 Bearing
26 61692 Shim
67 102289 Screw - Hex hd 10-24 x 3/4 1
68 68508 Lockplate 1
27 103879 Key - Woodruff 1 69 -68845 Brace- Handle
28 68445 Cover Assy - Air cleaner 1 70 -68863 Kit Muffler 1
29 65813 . Nut 1 71 67838 Screw - Muffler long 2
30 68177 Plate - Instruction 1 72 67837 Screw Muffler short 1
31 66774 Filter Air 1 73 67836 Lockplate 3
32 62978 Screw - Special 3 74 -68838 Muffler Assy 1
33 -102762 Screw 10-24 x 1/2 1 75 -110563 Screw Skt hd 8-32 x 1/4 2
34 -28052 Lockplate 1 76 -64784 Stop Reed 1
35 -68544 Housing - Fan 1 77 -64785 Reed 1
36 -68531 Cap Assy - Fuel 1 78 -63993 Gasket - Muffler screw 1
37 -68533 Plug 1 79 -68149 Gasket - Muffler 1
38 63041 Valve 1 80 -68581 Insulator - Shroud 2
39 62316 Guide 1 81 67910 Shroud 1
40 63040 Spring 1 82 Powerhead Assy (See Figure 5) 1

Fuel cap assemblies and their component parts for engines furnished with two-piece fuel caps (identified by rivets in the fuel cap cover), should be ordered from the following parts list.
67266 Cap Assy Fuel 1
110510 . Rivet
67267 Cover
63040 Spring
62316 Guide 1
63041 Valve 1
64761 Body 1
65671 Gasket 1

Clutch Guard and Starter Assembly
67206 Clutch Guard Assy 1 
9 -68695 Drum - Starter 1
1 102144 . Screw - Bar adjusting 1 
10 110470 Rivet - Starter rope 1
2 102067 Nut Hex #10 1 
11 62191A Insert - Handle 1
3 110387 Washer - Wave 1 
12 62190A Handle- Starter 1
4 61705 Nut- Bar adjusting 1 
13 67125 Rope- Starter 1
5 101174 . Washer #10 1 
14 68626 Spring - Rewind 1
6 67205 Retainer - Shield 1 
15 63987 Shield Spring 1
7 63985 Shield- Dust 1 
16 61635A Bushing - Nyliner 1
8 63986 Washer - Thrust 1 
17 67207 Guard - Clutch 1

Fuel Tank Assembly
1 -68683 Fuel Tank Assy 1 
12 110378 Pin - Roll 3/16 x 1-1/8 1
2 105788 Rivet 2 
13 65734 Spring - Throttle return 1
3 110531 Rivet 3 
14 67224 Trigger 1
4 100010 Cotter Pin 1 
15 103672 Screw - Filhd 8-32 x 1/2 (Sems) 1
5 - 102660 Screw - Skt hd 10-24 x 7/8 1 
16 62973A Wire Assy Stop switch 1
6 -100003 . Washer - #10 1 
17 62451 Contact - Switch 1
7 105673 Pin - Roll 3/32 x 9/16 2 
18 62950A Base - Switch 1
8 -68517 Button - Choke 1 
19 62951 Button- Switch 1
9 -101056 "O" Ring 1 
20 68170 Rod - Throttle 1
10 64871 Button & Rod Assy 1 
21 67355 Rod - Choke 1
11 67989 Seal- Throttle rod 1 
22 -64872 Grip Handle 1

Carburetor Assembly
67876 Carburetor Assy 1 
17 *67502 Spring - Needle 3
1 67501 Screw - Pump cover 4 
18 70798 Screw - Diaphragm cover 4
2 67484 Cover - Pump 1 
19 67485 Cover- Diaphragm 1
3 *67495 Gasket - Cover 1 
20 *67499 Diaphragm Metering 1
4 *67498 Diaphragm - Check valve 1 
21 *67496 Gasket - Diaphragm 1
5 *67497 Diaphragm - Fuel pump 1 
22 *67500 Screw - Lever pin 1
6 *47690 Screw- Plate 3 
23 *67508 Pin- Lever
7 67487 Plate - Throttle 1 
24 *67509 Lever - Metering
8 67489 Clip- Shaft 1 
25 *67503 Spring - Lever 1
9 67486 Shaft Assy - Throttle 1 
26 *67491 Valve - Needle 1
10 67490 Plate- Choke 1 
27 68103 Body Assy Carburetor 1
11 67488 Shaft Assy Choke 1 
28 *67492 . Plug - 3/8 1
12 *100302 BallChoke friction 1 
29 *67493 Plug - 5/16 1
13 *67504 Spring - Choke 1 
30 *67507 Screen Fuel 1
14 *68104 Needle - High speed 1
15 *68105 Needle - Idle 1 
67482 Gasket Set
16 *68106 Screw - Idle adjustment 1 
68107 Repair Kit

Powerhead
1 101391 Nut - Hex 3/8-24 1 
42 110291 Screw - Pan hd 10-24 x 2-3/4 1
2 61737A Flywheel Assy 1 
43 63072 Cover - Oil tank 1
3 103879 Key - Woodruff 1 
44 62116 Gasket - Cover 1
4 67057 Washer - Thrust 1 
45 57129A Cap - Oil tank 1
5 67056 Seal 1 46 101148 "O" Ring 1
6 67054 Washer - Thrust 1 
47 62123B Hose Assy - Oil 1
7 -110127 Screw - Hex hd 10-24 x 7/8 
48 51506 . Screen - Hose 1
49 110333 Screw - Oval hd 8-32 x 1/2 3
8 100003 Washer #10 2 
50 62274 Gasket 1
9 51253 Retainer- Coil 1 
51 62320C Pump Assy Pulse 1
10 68164 Lamination Assy 1 
52 60260A Piston Assy - Pump 1
11 62819 Wire Assy Ground 1 
53 104001 "O" Ring 1
12 62818A Wire Assy - Primary 1 
54 60263 Ring - Piston 1
13 62927A Coil & Terminal Assy 1 
55 60937 Washer - Teflon 1
14 67300 Wire & Sleeve Assy - Spark plug
56 60259 Spring - Piston oiler 1
57 62227 Sleeve - Oiler adjustment 1
15 67127 Sleeve - Spark plug wire 1 
58 110386 Screw - Hex hd 8-32 x 1 1
16 62932 Connector 1 
59 100251 Nut- Hex 8-32 1
17 62926 . Boot 1 
60 63858 Cover Assy - Outlet valve 1
18 63097 Spark Plug 1 
61 106104 "O" Ring 1
19 110349 Screw - Rd hd 8-32 x 3/4 1 
62 62885A Spring - Outlet valve 1
20 62362 Cover- Breaker box 1 
63 102809 Ball 1
21 100298 Nut- Hex 6-32 1 
64 62321B Body Assy Pump 1
22 62365 Spacer - Breaker screw 1 
65 62065 Bolt Bar mounting 2
23 110346 Screw - Hex hd 6-32 x 3/4 1 
66 67908 Crankcase Assy 1
24 100934 Screw Rd hd 8-32 x 3/8 2 
67 62105 Screw Assy - Sealing 4
25 105976 Washer - #8 1 
68 62842 . Washer - Sealing 4
26 100414 Screw - Fil hd 8-32 x 1/2 1 
69 110289 Screw Assy 8-32 x 1-1/8 1
26A 100252 Lockwasher- #8 1 
70 110288 Screw Assy - 8-32 x 3/4 3
27 100080 Washer- #8 1 
71 100010 . Pin Cotter 1
28 61650 Condenser 1 
72 61649 Pin-Piston 1
29 62363 Breaker Assy 1 
73 68226 Piston Assy 1
30 54184 Wiper 1 
74 62814 Ring Set Piston 1
31 62361 Box -Breaker 1 
75 103512 Bearing - Needle 2
32 67051 Seal 1 
76 65401 Connecting Rod Assy 1
33 100414 Screw - Hex hd 8-32 x 1/2 2 
77 61627A Screw - Skt hd 8-36 x 1/2 2
34 100955 Nut Hex 8-32 1 
78 63225 . Roller - Needle (set of 20) 1
35 62261A Housing - Pump 1 
79 67906 Oil Seal 1
36 62262 Cap Housing 1 
80 63464 Ring - Snap 1
37 62266 Plunger Pump 1 
81 67905 Bearing- Ball 1
38 101056 "O" Ring 1 
82 65747 Oil Seal 1
39 66687 Spring 1 
83 104357 Bearing - Needle 1
40 62230 Gasket 1 
84 63336 Crankshaft 1
41 62909 Valve 1