Brands / detroit diesel corporation and mtu friedrichshafen gmb / 7MDDM348.MHA

7MDDM348.MHA

101 EPA rows collapsed to 35 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=3)

29.7

Calculated low / high

27 / 35

This hub is labelled above catalogue average (high relative to loaded set). Similar hubs by distinct part_number: 4ddxm65.0mta (27) · 4ddxm65.0mtp (27).

Part number	Name	EPA rows
0030986520 & 0030986620 or 5680890020 & 5680980120 or 5680980420 & 5680980520	After Cooler	3
A-S 568 098 0420	After Cooler	1
B-S 568 098 0520	After Cooler	1
X00004678 & X00004683	After Cooler	4
569 070 0232	Aftertreatment	1
569 070 0432/87	Aftertreatment	1
569 070 0732	Aftertreatment	1
569 078 1002/87	Aftertreatment	1
569 078 1120/87	Aftertreatment	1
X00018659 or 0035352731	CA pressure sensor	7
000 535 64 30	CHARGE AIR TEMP	4
004 535 88 31	COOLANT PRESS	1
0035352531 or 0045358831	Coolant pressure sensor	7
527 530 7654	ECM	1
5275307654 or X00E50200134 or X00034523/S0001	ECM	7
X00034523/S0001	ECM	1
000 535 57 30	EXHAUST TEMP	1
X00E50201372 or 0005355730	Exh temp sensor	7
003 535 30 31	FUEL PRESS	1
0035352931 or 0035352731	Fuel pressure sensor	7
A-S 006 070 3501/87	Injection Pump	1
B-S 006 070 4801/87	Injection Pump	1
X00043056 & X00043057 or 5690730006 & 5690730007 or 0060704801 & 0060703501 or 0060704801 & 0060703601	Injection Pump	7
0010106851 or 0020101151	Injector	3
002 010 1151/87	Injector	1
X00028337	Injector	4
0005357333	Speed sensors	7
003 535 27 31	TURBO BOOST	1
0005356430	Temp sensors (coolant, charge air, intake air, fuel)	7
5120204000 & 5120203700 & 5120204200 & 5120204100 or 5120204700 & 5120204600 & 5120204800 & 5120204900 or X00027667 & X00027666 & X00027668 & X00027669	Turbocharger	3
A1 X 000 27667	Turbocharger	1
A2 X 000 27666	Turbocharger	1
B1 X 000 27668	Turbocharger	1
B2 X 000 27669	Turbocharger	1
X56910100030 & X56910100031 & X56910100029 & X56910100024	Turbocharger	4