The 2002 Honda Odyssey uses a 3.5-liter V6 engine. The engine code most commonly cited for U.S.-spec Odysseys of that year is J35A1, though suffixes can vary by market and production date. To be certain, check the engine stamping or the vehicle’s original documentation for the exact code.
Engine code overview
Honda's 3.5L V6 in early-2000s Odysseys belongs to the J-series family, where different suffixes (such as A1, A3, etc.) indicate small variations in tuning, emissions equipment, or regional specifications. For a 2002 Odyssey, the US market most often references J35A1, but other regions may record a different suffix within the J35A family.
Common engine codes for the 2002 Odyssey
Before listing the codes, note that regional differences and production batches can produce variations. The codes below are the ones most frequently encountered in documentation and parts catalogs from that era.
- J35A1 — commonly cited for US-market 2002 Odysseys
- J35A3 — appears in some Canadian or other regional builds
Engine suffixes can vary by production run, so always confirm the exact code on your specific vehicle to ensure correct parts and maintenance compatibility.
How to verify the engine code on your vehicle
To confirm the exact engine code, use a few reliable verification methods. Starting with the most direct source is best, especially if you’re ordering parts or planning maintenance.
- Inspect the engine itself for a stamped code on the engine block or valve cover area. The code is typically a badge-like stamping such as “J35A1.”
- Check under-hood labels or stickers that Honda or the dealership applied, which may list the engine code alongside the vehicle’s VIN.
- Cross-check the VIN with Honda’s official service databases or a reputable parts catalog to determine the exact engine code for your build date and market.
Knowing the exact suffix matters for parts matching, service bulletins, and any region-specific emissions equipment.
Maintenance and parts implications
While the 3.5L V6 engines in the Odyssey share a core platform, suffix variations can affect certain parts such as intake manifolds, sensors, and emissions-related components. When ordering timing belts, water pumps, or ignition components, verify the exact engine code to ensure compatibility with your vehicle’s wiring, PCV system, and emission controls.
Summary
In most cases, a 2002 Honda Odyssey uses the J35A1 engine code in the United States, part of Honda’s 3.5L V6 J-series family. However, suffixes can vary by market and production date, so confirm the precise code by checking the engine stamping, under-hood labels, or the VIN-based documentation. This ensures correct parts and accurate maintenance for your specific vehicle.
What year to stay away from Honda Odyssey?
The 2002 model happens to be one of the worst Honda Odyssey models, with the most reported incidents in the model's history. The primary issue (again) was the transmission, which started giving drivers problems around 109,000 miles.
What engine is in the 2002 Honda Odyssey?
The Odyssey's 3.5-liter SOHC V-6 now produces 240-horsepower and 242-lb. -ft. of torque on regular unleaded fuel (an increase from 210 horsepower and 229-lb. -ft.
How to find Honda Odyssey engine code?
Finding the Engine Serial Number
The engine serial number is stamped into the side of the engine. All Honda engine serial numbers have a 4 or 5 letter prefix followed by a 7 digit number.
What is the 5 digit code for the Honda Odyssey radio?
You can find your Honda radio code in your owner's manual, on a sticker inside the glovebox or center console, or by retrieving it online using your vehicle's VIN and radio serial number.


