Engine, gas, 8 cylinder, 4.6L, multiport fuel injection, V8, DOHC, high output

Years 1993–09 Models 7 Factory citations 19

Also described as Engine, gas, 8 cylinder, 4.6L, V8, DOHC, NorthstarEngine, gas, 8 cylinder, 4.6L, multiport fuel injection, V8, high output, DOHCEngine, 4.6L, V8, Northstar

Also documented for Buick Pontiac

Documented applications

Allante — V-body (1987–1993)

1993 Single-source

the article's infobox names the code; its 1993 text describes the Northstar DOHC V8 [Wikipedia: Cadillac Allanté]

DeVille — G-body (2000–2005)

2000–2005 Factory-verified

the 2003–2005 lists print sequential fuel injection; Wikipedia: Northstar V8 in the DTS.

GM factory document — 2000 cadillac deville rpo code list, p.1.
GM factory document — 2003 cadillac deville rpo code list, p.1.
GM factory document — 2005 cadillac deville rpo code list, p.1.

DeVille — K-body (1994–1999)

1998–1999 Factory-verified

the lists print high output as H0

GM factory document — 1998 cadillac deville rpo code list, p.1.
GM factory document — 1999 cadillac deville rpo code list, p.1.

DTS — G-body (2006–2011)

2006–2009 Factory-verified

The 2006 list prints SFI (sequential fuel injection) and High Output where later lists print MFI and HO.

GM factory document — 2006 cadillac dts rpo code list, p.1.
GM factory document — 2009 cadillac dts rpo code list, p.1.

Eldorado — E-body (1992–2002)

1998–2002 Factory-verified

the lists print high output as H0

GM factory document — 1998 cadillac eldorado rpo code list, p.1.
GM factory document — 1999 cadillac eldorado rpo code list, p.1.
GM factory document — 2000 cadillac eldorado rpo code list, p.1.
GM factory document — 2001 cadillac eldorado rpo code list, p.1.
GM factory document — 2002 cadillac eldorado rpo code list, p.1.

Seville — G-body (1998–2004)

1998–2004 Factory-verified

the 1998–2002 lists print high output as H0; the 2003–2004 lists print sequential fuel injection (SFI) in place of multiport fuel injection

GM factory document — 1998 cadillac seville rpo code list, p.1.
GM factory document — 1999 cadillac seville rpo code list, p.1.
GM factory document — 2000 cadillac seville rpo code list, p.1.
GM factory document — 2001 cadillac seville rpo code list, p.1.
GM factory document — 2002 cadillac seville rpo code list, p.1.
GM factory document — 2003 cadillac seville rpo code list, p.1.
GM factory document — 2004 cadillac seville rpo code list, p.1.

Seville — K-body (1992–1997)

1993–1997 Single-source

only in: STS; the Wikipedia Northstar article lists the same engine in the Eldorado ETC [Wikipedia: Cadillac Seville; Northstar engine series]

This page aggregates every documented appearance of L37 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.