Brands / Electro-Motive Diesel, Inc. / CEMDW233.9D2

CEMDW233.9D2

192 EPA rows collapsed to 32 part identities.

FAM
HUB

Ingest / pull dates (not “as of today”). Snapshot date 2026-07-24. Deploy-time hub snapshot generated 2026-08-24T13:34:00Z.

Wikidata boat manufacturers — retrieved 2026-07-24 · Wikimedia Foundation and contributors · source
EPA Marine CI models and parts archive — retrieved 2026-07-24 · U.S. Environmental Protection Agency · source
EPA Marine SI models and parts archive — retrieved 2026-07-24 · U.S. Environmental Protection Agency · source
EPA current marine engine certification data — retrieved 2026-07-24 · U.S. Environmental Protection Agency · source
Federal manufacturer identification directory — retrieved 2026-07-24 · U.S. Coast Guard · source
Manufacturer manuals and parts catalogs — retrieved 2026-07-24 · Individual boat and engine manufacturers · source
Live eBay listings — retrieved 2026-07-24 · eBay · source
Sea Ray model specifications — retrieved 2026-07-24T00:00:00Z · Sea Ray · source
Bayliner model specifications — retrieved 2026-07-24T00:00:00Z · Bayliner · source
Boston Whaler model specifications — retrieved 2026-07-24T00:00:00Z · Boston Whaler · source
Wikidata boat-type entities — retrieved 2026-07-24T00:00:00Z · Wikimedia Foundation and Wikidata contributors · source
Merchant Vessels of the United States — retrieved 2026-07-24T00:00:00Z · United States Coast Guard · source
WakeParts normalized boat taxonomy — retrieved 2026-07-24T00:00:00Z · WakeParts · source
UNECE Recommendation 28 — retrieved 2026-07-24T00:00:00Z · United Nations Economic Commission for Europe · source

Qualified comparison — distinct part_number

Official EPA field only: part_number. Observed vs calculated high/low vs loaded-set average of ladder brands (min-N ≥ 50 distinct PN). Not an EPA judgement. FHE-style compare is inlined here, not a new URL family.

Observed on this hub

Loaded-set average (n=36)

21.1

Calculated low / high

11 / 36

This hub is labelled above catalogue average (high relative to loaded set). Similar hubs by distinct part_number: CEMDW233.8E3 (32) · CEMDW233.9E2 (32) · CEMDW233.9E3 (32).

Part number	Name	EPA rows
40111453, 40128040, 40164719, or 40164719UX (right bank), 40111454, 40128042, 40164720, or 40164720UX (left bank)	After Cooler	4
40113591 or 40107446	After Cooler	4
40162869 or 40162869UX	After Cooler	4
40164719 or 40164719UX (right bank), 40164720 or 40164720UX (left bank)	After Cooler	4
40166493 or 40166493UX; 40166494 or 40166494UX	Camshaft Segments	4
40180572	Camshaft Segments	4
40187523, 40187524, 40187527, 40187529	Camshaft Segments	4
40188879	Camshaft Segments	4
40021327, 40021328, 40103028, 40103030, 40103159, 40105226, 40105231, 40109495, 40109496, 40121477, 40121478, 40121561, 40121562, or 40189339	Cylinder Head Assembly	16
40185098	Cylinder Liner	16
40103406	ECM	16
40196144, 40196145, 40196563	Engine ECM Software	2
40196561, 40196566	Engine ECM Software	2
40196565	Engine ECM Software	2
40196774, 40196777	Engine ECM Software	2
40196775	Engine ECM Software	2
40196776	Engine ECM Software	2
40200393	Engine ECM Software	2
40200394	Engine ECM Software	2
Included in Unit Fuel Injector	Injection Pump	16
40120514, 40120515, 40180469, or 40180469UX	Injector	16
40196729	Oil Separator Application	16
40109272	Piston	16
#1: 40180625 #2: 40168545 #3: 40163745 #4: 40172585 #5: 8347103 #6: 40172584	Piston Rings	16
40101390, 40111761, 40187017, or 40187017UX	Turbocharger	2
40120139, 40122722, 40188832, or 40188832UX	Turbocharger	2
40129497, 40129497UX, 40129896, 40187015, or 40187015UX	Turbocharger	2
40144401, 40144401UX, 40144652, 40189425, or 40189425UX	Turbocharger	2
40148121, 40148121UX, 40188833, or 40188833UX	Turbocharger	2
40150200, 40150348, 40189397, or 40189397UX	Turbocharger	2
40150201, 40150349, 40192387, or 40192387UX	Turbocharger	2
40152920, 40152920UX, 40189427, 40189427UX	Turbocharger	2