NissanAltima2003 · Third generation
  1. Nissan Altima
  2. Specs
  3. Engine
  4. 2003

2003 Nissan Altima Engine

QR25DE qr25de
Engines
VQ35DE vq35de
Engine 2
  • Lowest stored HP175 hp — 3 configurations tie for lowest
  • Highest stored HP245 hp · 3.5 SE 4dr Sedan
  • Lowest stored torque180 lb-ft — 3 configurations tie for lowest
  • Highest stored torque246 lb-ft · 3.5 SE 4dr Sedan

Catalog dataManufacturer figures stored on configuration rows

QR25DE · qr25de

Catalog engines

EngineCode
QR25DEqr25de
VQ35DEvq35de

Configurations

ConfigurationHPTorque
2.5 Base 4dr Sedan175 hp180 lb-ft
2.5 S 4dr Sedan175 hp180 lb-ft
2.5 SL 4dr Sedan175 hp180 lb-ft
3.5 SE 4dr Sedan245 hp246 lb-ft

Compare two configurations

Catalog spark plugs

Catalog year/make/model rows for 2003 Nissan Altima.

ACDelco

RAPIDFIRE Spark Plug, 20

MPN: 20

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Autotecnica

Valve Cover w/ Gasket, Left Includes Gasket and spark plug Tube Seals, NI1418443

MPN: NI1418443

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Autotecnica

Valve Cover w/ PCV & Gasket, Includes ACM flange gasket, spark plug tube seals, and PCV 11810-8J102, NI1415064

MPN: NI1415064

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Autotecnica

Valve Cover, Right Includes Gasket and spark plug Tube Seals, NI1418442

MPN: NI1418442

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Catalog engine codes and configuration engine labels do not always match. Both are shown as stored — neither is rewritten.

Catalog fitment does not by itself prove OEM-equivalent compatibility.