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Guardian / Part reference

Guardian GUAT-304

GUAT-304 identifies the lamp dome in the Guardian 315 manual's opener assembly parts list. Confirm the printed 4-14 manual scope with a qualified technician. The model rows below also show the separately documented October 2024 book listings; keep each source revision and configuration condition when selecting a part.

US source scopeUpdated 2026-09-12Independent Anderson reference

Match the whole number.

Manufacturer identifier: GUAT-304. 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.
Component functionlamp dome
Exact manual scopeGuardian 315; printed cover revision GDO Manual Revised: 4-14.
Replacement requirementReplacement by a qualified technician is required by this parts-table note.
Book description (observed model headings 315, 415; listing context only)lamp dome
Book description (observed model headings 425, 428, 4150V, 4250V, 4280V; listing context only)light lens
Source revisionCover dated October 1, 2024

Documented fitment & exclusions

Read the exact equipment or receiver, 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 receiver.
Equipment or receiver / relationshipEvidence and conditions
415

Documented compatibility

From GUAT-304 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-304 is listed directly under model 415 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: 415
  • Exact model 415 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.
4150V

Documented compatibility

From GUAT-304 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-304 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-304 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-304 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.
4250V

Documented compatibility

From GUAT-304 to 4250V.

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-304 is listed directly under model 4250V 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: 4250V
  • Exact model 4250V 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.
428

Documented compatibility

From GUAT-304 to 428.

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-304 is listed directly under model 428 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: 428
  • Exact model 428 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.
4280V

Documented compatibility

From GUAT-304 to 4280V.

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-304 is listed directly under model 4280V 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: 4280V
  • Exact model 4280V 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.
315

Documented compatibility

From GUAT-304 to 315.

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-304 is listed for the Guardian 315 opener assembly in the printed 4-14 manual; replacement requires a qualified technician.

Applies only within this source scope
  • Market: US
  • Model scope: 315
  • Replacement by a qualified technician is required by this parts-table note.
  • Scope is the Guardian 315 manual with printed cover revision GDO Manual Revised: 4-14; no current-stock, changed-revision or other-model fitment is established.
  • Exact model 315 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.

Direct replacement paths

No direct successor for GUAT-304 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 receiver.

Check a part or accessory pairing

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Selected: GUAT-304 · 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 official 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.

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

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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 315 opener assembly parts, printed revision 4-14Guardian · US · checked 2026-09-11 · GDO Manual Revised: 4-14
  2. 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. Anderson provides repair service in its listed Connecticut communities.

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

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