Do not identify a GM transmission pan gasket from a shortened part number alone. Record the gearbox family, full article with every suffix, pan position and source label. Then compare the gasket outline and construction before approving a sample or repeat order.
Start with the gearbox family and pan position
Older GM automatic transmission records often use more than one name for the same broad family. A 3L30 record may also show TH180 or TH180C, while a 4T60 record may show TH440-T4. These aliases can help locate a catalog family, but they do not replace the exact gasket article.
Pan position matters just as much. The 4L30E family includes a main or rear bottom pan and a smaller front overdrive pan. A source can correctly describe both as pan gaskets even though their outlines and purchasing lines are different.
Preserve four fields before comparing records
| Field | What to record | Why it matters |
|---|---|---|
| Gearbox family | Complete transmission code and any source alias | Separates related units and keeps the catalog search traceable |
| Exact article | Every digit, letter, hyphen and suffix | Prevents AF, AR, BF, BX and MR records from being merged |
| Pan position | Main, rear bottom, front overdrive or other recorded position | Stops a physically different pan gasket from entering the same RFQ line |
| Source label | Jingyi article, technical number and the source that paired them | Keeps cross-reference relationships auditable without claiming interchange |
Ten searchable GM transmission oil pan gasket records
These Jingyi records were selected after the exact article and pan-gasket component type were checked against transmission-component catalogs or specialist records. They are lookup starting points, not a vehicle-fitment or automatic-interchange list.
| Recorded family | Exact Jingyi article | Lookup rule | Catalog record |
|---|---|---|---|
| 3L30 / TH180 / TH180C | 13600F | Keep the 3L30 main-pan record separate from 4L30E articles | Open 3L30 record |
| 4L30E / AR25 / AR35 | 13600BF | Preserve the BF suffix and source-specific main-pan record | Open 13600BF record |
| 4L30E / AR25 / AR35 | 13600BX | Keep BX separate from BF until construction and source relationship are approved | Open 13600BX record |
| 4L30E front overdrive pan | 13605F | Do not combine the smaller front-pan gasket with a main-pan article | Open 13605F record |
| 4L40E / 5L40E / 5L50E group | 134300 | Keep the technical number and supplier article in separate source fields | Open 134300 record |
| 4L40E / 5L40E / 5L50E group | 54504-MR | Preserve the MR suffix and do not silently replace it with 134300 | Open 54504-MR record |
| 4T40E / 4T45E | 13998F | Retain the F suffix and compare the complete pan outline | Open 4T40E record |
| 4T60 / TH440-T4 | 13966F | Keep the non-electronic 4T60 record separate from 4T60E suffix variants | Open 4T60 record |
| 4T60E | 13966AF | Preserve AF as part of the exact supplier article | Open 13966AF record |
| 4T60E | 13966AR | Preserve AR and confirm the required construction before ordering | Open 13966AR record |
Separate the 4L30E main pan from the front overdrive pan
Component catalogs place 13600BF in the main-pan group and 13605F in the front-overdrive-pan group. Their product images also show clearly different outlines. A buyer who sends only "4L30E pan gasket" has not yet identified the required component.
Record the pan position from the source and add a full gasket or pan photo. If the source uses another position label, retain that wording beside the image instead of forcing it into the main-pan record.
Keep BF and BX as separate source articles
Specialist records place 13600BX beside a 24300BF technical-number context, while component catalogs identify 13600BF as a 4L30E main-pan record. This supports lookup research but does not prove that Jingyi 13600BF and 13600BX have the same construction.
The two Jingyi images have a related outline but visibly different surface construction. Keep both records and their source labels separate until a drawing, retained sample or owner-approved factory record establishes the relationship.
Keep 134300 and 54504-MR source-labelled
Public component records place 134300 in a 4L40E, 5L40E and 5L50E pan-gasket context and place 54504-MR beside that technical number. This is useful cross-reference evidence, but it is not permission to redirect one Jingyi page to the other or claim every construction is interchangeable.
Preserve both articles, compare the hole pattern and construction, and record which source supplied the relationship. Promote a controlled cross-reference only after the product evidence is approved.
Do not remove the suffix from 4T60E records
4T60E catalogs list multiple bottom-pan gasket records, including 13966AF and 13966AR. The suffix is part of the identification. Shortening both to 13966 can hide the construction or catalog-line difference that the buyer is trying to resolve.
The separate 4T60 article 13966F belongs to a related but different transmission record. A similar prefix and outline do not make 4T60 and 4T60E pages interchangeable.
Correct vague translations without inventing fitment
The source descriptions attached to Jingyi 13966AF and 13966AR previously displayed the literal wording "PALLET LAYING." Component catalogs identify both exact articles as 4T60E bottom-pan gasket records, so the product pages now use "GASKET OIL PAN 4T60E."
This correction changes the component label only. It does not add a vehicle list, material performance claim or automatic interchange relationship.
Use the physical gasket to reject a false match
Compare the overall outline, bolt-hole count and positions, internal openings, tabs and sealing construction. For related suffix variants, photograph both pieces in the same orientation and add key dimensions before deciding whether they can share an approved drawing.
If a source number matches but the physical pattern does not, stop the lookup. Keep the conflict in the purchasing file and request a drawing or sample review.
Prepare a GM pan-gasket RFQ that can be checked
- Complete transmission code and any source alias.
- Exact gasket article with every suffix and separator.
- Pan position and a full-pan or gasket photo.
- Gasket outline, hole pattern and key dimensions.
- Required construction or application conditions for material review.
- Trial quantity, annual demand, destination and packaging requirement.
Use the general part-number workflow when one source string is uncertain. Use the wholesale quote checklist to complete the commercial handoff.
Frequently asked questions
Can 4L30E pan-gasket numbers be merged because they share one gearbox family?
No. Preserve the complete article, source label, pan position and physical pattern. Main-pan and front-overdrive-pan records are different purchasing lines.
Are 134300 and 54504-MR automatically interchangeable?
No. Public records place them in a related 4L40E, 5L40E and 5L50E pan-gasket context, but the source relationship and physical construction still need confirmation before substitution.
Are 13966AF and 13966AR the same 4T60E gasket?
Do not assume they are the same purchasing record. Keep each suffix, source and construction separate until the required variant and sample are confirmed.
What should a buyer send for a wholesale GM pan-gasket quote?
Send the complete transmission code, exact article and source, pan position, gasket photo or sample, required construction, quantity, destination and packaging requirement.