Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Troybilt TB70SS trimmer

Troybilt TB70SS trimmer Parts

Here are the diagrams and repair parts for Troybilt TB70SS trimmer, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for TB70SS Line Trimmers

  • Mtd Yard Machines Line Trimmer Primer Bulb And Hose Assembly for Troybilt TB70SS - Part 791-683974B

    Engine diagram

    Hose

    Part #791-683947B

    Replaced by #791-683974B

    Info Icon
    Manufacturer substitution
    This part replaces 791-683947B. Substitute parts can look different from the original.
    In Stock
    $36.81
    14% OFF Phone Price : $42.81Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Carburetor Mounting Bracket for Troybilt TB70SS - Part 753-1196

    Engine diagram

    Lawn & Garden Equipment Engine Carburetor Mounting Bracket

    Part #753-1196

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

  • Housing for Troybilt TB70SS - Part 753-04402

    Engine diagram

    Housing

    Part #753-04402

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

  • Spark Arrestor for Troybilt TB70SS - Part 753-04689

    Engine diagram

    Spark Arrestor

    Part #753-04689

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

  • Rope Guide for Troybilt TB70SS - Part 753-1200

    Engine diagram

    Rope Guide

    Part #753-1200

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

  • Spark Plug for Troybilt TB70SS - Part 791-610311B

    Engine diagram

    Spark Plug

    Part #791-610311B

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

  • Screw for Troybilt TB70SS - Part 791-182057

    Boom and trimmer diagram

    Screw

    Part #791-182057

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

  • Bolt for Troybilt TB70SS - Part 791-182723

    Engine diagram

    Bolt

    Part #791-182723

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

  • Muffler Assembly for Troybilt TB70SS - Part 753-04618

    Engine diagram

    Muffler Assembly

    Part #753-04618

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

  • Carburetor Gasket for Troybilt TB70SS - Part 753-1208

    Engine diagram

    Carburetor Gasket

    Part #753-1208

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

Most common symptoms to help you fix your line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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

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.

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…

Repair time and Difficulty

 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 …

Repair time and Difficulty

 15 minutes or less
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…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your line trimmers

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

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…

Parts & More

Bottom-Mount Refrigerator
Carpet Cleaner
Cooktop
Dishwasher
Dryer
Exercise Cycle
Gas Line Trimmer
Gas Walk-Behind Mower
Laundry Center
Parts
Power Rake
Range
Side-By-Side Refrigerator
Wall Oven/Microwave Combo
Washer