Garage Door Repair & InstallationOpen 24 Hours — 7 Days a Week
Anderson Garage Door Service
Call for Service
(203) 902-3902

Guardian / Part reference

Guardian GUAT-346 motor assembly

The Guardian 415 (04-21) and 425 (9-17) manuals identify GUAT-346 as the motor assembly and require replacement by a qualified technician. The October 2024 book separately lists it under 425 and 4150V. Keep these manual and book scopes distinct when checking the installed configuration.

US source scopeUpdated 2026-09-14Independent Anderson reference

Match the whole number.

Manufacturer identifier: GUAT-346. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Values apply to the exact identifier and scope in the cited source.
Book description (observed model headings 425, 4150V; listing context only)motor assembly
View source and citation details
Source revisionCover dated October 1, 2024
View source and citation details
415 / 04-21; GDOMU10A-12: component functionmotor assembly
View source and citation details
415 / 04-21; GDOMU10A-12: applicability condition 1Only the exact 415 manual edition 04-21 / GDOMU10A-12 is reviewed. No 415-3T, later edition, current stock or cross-model interchangeability is inferred.
View source and citation details
415 / 04-21; GDOMU10A-12: applicability condition 2The assembly-parts table requires replacement by a qualified technician.
View source and citation details
425 / 9-17; GDOMU11A-5: component functionmotor assembly
View source and citation details
425 / 9-17; GDOMU11A-5: applicability condition 1Only the exact 425 manual edition 9-17 / GDOMU11A-5 is reviewed. No later edition, current stock or cross-model interchangeability is inferred.
View source and citation details
425 / 9-17; GDOMU11A-5: applicability condition 2The assembly-parts table requires replacement by a qualified technician.
View source and citation details

Documented fitment & exclusions

Read the exact equipment or component, market, production and variant limits in every row. An omitted pairing has not been verified by this reference.

Source statements and their exact conditions. Use the checker below to compare equipment or a component.
Equipment or component / relationshipEvidence and conditions
4150V

Documented compatibility

From GUAT-346 to 4150V.

Conditional

Additional source conditions or an adapter must be checked before confirming compatibility.

Details still needed
  • source conditions

Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified.

GUAT-346 is listed directly under model 4150V in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

Applies only within this source scope
  • Market: US
  • Model scope: 4150V
  • Exact model 4150V listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item.
425

Documented compatibility

From GUAT-346 to 425.

Conditional

Additional source conditions or an adapter must be checked before confirming compatibility.

Details still needed
  • source conditions

Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified.

GUAT-346 is listed directly under model 425 in the cover dated October 1, 2024 parts book; confirm source revision and exact configuration.

Applies only within this source scope
  • Market: US
  • Model scope: 425
  • Exact model 425 listing in the replacement-parts book: Cover dated October 1, 2024. Confirm the exact part and installed configuration; a listing does not establish interchangeability with another revision, model or similarly named item.
  • The source footnote for this assembly table requires replacement by a qualified technician.
  • In the 425 manual (9-17; GDOMU11A-5): Only the exact 425 manual edition 9-17 / GDOMU11A-5 is reviewed. No later edition, current stock or cross-model interchangeability is inferred. The assembly-parts table requires replacement by a qualified technician. These requirements describe this manual edition only; they are not assigned to other source editions.
415

Documented compatibility

From GUAT-346 to 415.

Conditional

Additional source conditions or an adapter must be checked before confirming compatibility.

Details still needed
  • source conditions

Use the exact label and the source scope below. An unanswered condition keeps this result conditional or unverified.

GUAT-346 is listed for exact model 415 in manual 04-21; GDOMU10A-12; all edition and configuration conditions apply.

Applies only within this source scope
  • Market: US
  • Model scope: 415
  • In the 415 manual (04-21; GDOMU10A-12): Only the exact 415 manual edition 04-21 / GDOMU10A-12 is reviewed. No 415-3T, later edition, current stock or cross-model interchangeability is inferred. The assembly-parts table requires replacement by a qualified technician. These requirements describe this manual edition only; they are not assigned to other source editions.

Direct replacement paths

No direct successor for GUAT-346 is verified in this reference.

A direct replacement statement does not establish reverse interchangeability, a kit equivalent or a later replacement chain.

Compare exact equipment or a component.

Check a part or accessory pairing

Loading part or accessory choices…

Selected: GUAT-346 · Read its reference. Selection identifies a record; it does not confirm fitment.

Choose the equipment or accessory brand separately from the component brand. A missing identifier is unverified. Use the model library to identify your equipment and its source documents.

An accessory pairing, including a receiver or wall console, applies only to the exact listed pair and source conditions. It does not establish suitability for your installed opener or compatibility through another device.

Choose the equipment or accessory brand to load its published identifiers.

Use the production date on the label or records, not the purchase date. Leave blank if unknown.

Use part and model numbers only. Never enter a serial number, PIN or access code. Your entry is used for this lookup and is not put in the page address, saved in browser storage or sent to analytics.

Choose a task and enter or select an exact identifier.

Recall references

No recall reference is included for this identifier in the published dataset. This is not a safety clearance or proof that no recall exists.

Sources & scope

  1. Guardian 415 manual parts referenceGuardian · US · checked 2026-09-12 · 04-21; GDOMU10A-12
  2. Guardian 425 manual parts referenceGuardian · US · checked 2026-09-12 · 9-17; GDOMU11A-5
  3. Guardian replacement-parts book, cover dated October 1, 2024Guardian · US · checked 2026-09-12 · Cover dated October 1, 2024

Anderson prepared this reference from the listed evidence. Source statements are not an Anderson installation inspection or independent product test. Official documents stay on their publisher’s website.

Related equipment guides

Confirm a missing detail

Use Guardian official support and match the complete part number, equipment model and production details with the source scope.

Use safely accessible labels and existing paperwork. Do not remove powered covers or adjust springs or cables to identify a component.

This is an independent Anderson reference. Manufacturer names identify the equipment and do not imply affiliation or authorized-dealer status.

A reference listing does not establish current stock, a price, eligibility for manufacturer support or that a component is faulty.