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Lowrance
Gas Line Trimmer

Model # PRO-MAC II SUPER 12-400132-42 Official Lowrance trimmer/brushcutter

Here are the diagrams and repair parts for Official Lowrance PRO-MAC-II-SUPER-12-400132-42 trimmer/brushcutter, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 180 parts  |
Start Gauge Housing 300618
#19A

Starter/clutch housing assembly diagram

Start gauge housing

Part #300618

The manufacturer no longer makes this part, and there's no substitute part

Piston 300663
#52A

Powerhead assembly diagram

Piston

Part #300663

The manufacturer no longer makes this part, and there's no substitute part

Washer 105497
#4

Starter/clutch housing assembly diagram

Washer

Part #105497

The manufacturer no longer makes this part, and there's no substitute part

Threadlocker 322237

#NI

All parts diagram

Threadlocker

Part #322237

The manufacturer no longer makes this part, and there's no substitute part

Tx-27 Torx D 111124
#1

Torque specifications diagram

Tx-27 torx d

Part #111124

The manufacturer no longer makes this part, and there's no substitute part

Spring 300475
Spring

Part #300475

The manufacturer no longer makes this part, and there's no substitute part

Start Label 322613
#71A

Powerhead assembly diagram

Start label

Part #322613

The manufacturer no longer makes this part, and there's no substitute part

Screw 111057
#20

Powerhead assembly diagram

Screw

Part #111057

The manufacturer no longer makes this part, and there's no substitute part

Carburetor, Walbro Wt 434 323602-04

#NI

All parts diagram

Carburetor, walbro wt 434

Part #323602-04

The manufacturer no longer makes this part, and there's no substitute part

Air Filter 224239
#11

Powerhead assembly diagram

Air filter

Part #224239

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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