HONDA 20021PYBA00 Automatic Transmission 3.5

( Manufacturer Part Number: 20021PYBA00 ), ( Manufacturer Warranty: 6 Month ), ( Genuine Oem: Yes ), ( Seller Notes: A Fwd Prod Date ), ( Interchange Item Code: 400 ), ( Reference Oe/oem: 20021pyba00, 20021pyba01, 20021pyba02, Byba ), ( Compatibility: Odyssey 04 At; ), ( Type: Automatic Transmission Assembly )

Review HONDA 2002 1pyba00 Used Automatic Transmission Assembly At 3.5 Grade fits ODYSSEY 2004

The **Honda 20021PYBA00 Automatic Transmission** is a high-quality, factory-original transmission unit designed specifically for the **2004 Honda Odyssey** with the **3.5L V6 engine**, ensuring seamless power delivery and reliable performance for this popular minivan. This transmission is part of Honda s **Type-2 automatic transmission system**, featuring a **5-speed automatic with an overdrive gear** for optimized fuel efficiency and smooth shifting. Built with precision engineering, it incorporates a **torque converter** that efficiently transfers power from the engine to the drivetrain, providing a responsive yet comfortable driving experience. The transmission s robust construction includes a **helical gear design** for durability and reduced noise, while the **hydraulic valve body** ensures precise shift control, adapting smoothly to varying driving conditions. This unit is fully compatible with the Odyssey s **CVT (Continuously Variable Transmission) system** in later models, though it is specifically tailored for the traditional automatic transmission setup found in the 2004 model year. Whether used in a replacement scenario or as a high-mileage upgrade, this transmission delivers the reliability Honda is known for, making it an excellent choice for maintaining the performance and longevity of your Odyssey. Its seamless integration with the 3.5L V6 engine ensures optimal power transfer, whether navigating city streets, highway commutes, or weekend road trips, while its durable construction minimizes the risk of premature wear or failure. For owners seeking a dependable, factory-matched transmission, the **20021PYBA00** stands as a premium, no-compromise solution.

### **Pros and Cons of Buying a 2004 Honda Odyssey with a 3.5L V6 and Automatic Transmission (Model 20021PYBA00)**

#### **Pros**

1. **Reliability and Durability**

- The 2004 Honda Odyssey is known for its robust 3.5L V6 engine, which is part of Honda s J-series lineup. This engine is well-regarded for its longevity, especially when maintained properly. Many examples easily exceed 200,000 miles with regular upkeep.

- The automatic transmission (a 4-speed Honda-designed unit) is also reliable, though it may require occasional fluid changes to prevent wear over time.

2. **Spacious and Practical Interior**

- The Odyssey is a full-size minivan, offering ample cargo space (up to 120 cubic feet when seats are folded) and a comfortable seating capacity for up to eight passengers. This makes it ideal for families or those needing extra room for gear or pets.

- The sliding doors and sliding third-row seats provide easy access, which is a significant advantage over older minivans with fixed rear doors.

3. **Comfortable Ride and Quiet Cabin**

- The Odyssey s suspension is well-tuned for a smooth ride, absorbing road imperfections better than many competitors. The cabin is also relatively quiet, thanks to good sound insulation, which is a plus for long drives.

- The seating is supportive, and the layout is ergonomic, making it comfortable for both drivers and passengers during extended trips.

4. **Safety Features**

- The 2004 model comes standard with features like anti-lock brakes (ABS), traction control, and stability control (VSA). While these are not the most advanced systems available today, they were solid safety additions for their time.

- The minivan s size also provides inherent safety benefits in collisions, offering better crash protection than smaller vehicles.

5. **Fuel Efficiency for Its Class**

- The 3.5L V6 engine achieves around 16-18 MPG in the city and 22-24 MPG on the highway, which is decent for a minivan of its size and power. This is better than many gas-guzzling SUVs or trucks of the era.

- The automatic transmission is smooth and efficient, though it may not be as fuel-efficient as a continuously variable transmission (CVT), which became more common in later Honda models.

6. **Resale Value and Availability of Parts**

- Honda minivans, especially the Odyssey, hold their value relatively well compared to some competitors. This means parts and labor are widely available, and mechanics are familiar with the model.

- The 3.5L V6 is a common engine, so finding replacement parts or performing maintenance is straightforward.

7. **Entertainment and Convenience Features**

- The 2004 Odyssey includes a CD player with an auxiliary input, power windows and locks, and a rear AC vent (in some trims). While not as advanced as modern infotainment systems, these features were practical for their time.

- The sliding doors and third-row seating make loading and unloading easier than in older minivans with fixed rear doors.

8. **Low Maintenance Costs (Compared to Competitors)**

- Honda s reputation for lower long-term maintenance costs applies to the Odyssey. Routine services like oil changes, timing belt replacements (if applicable), and transmission fluid changes are relatively affordable.

- The engine and transmission are less prone to catastrophic failures compared to some domestic or luxury competitors from the same era.

---

#### **Cons**

1. **Age and Wear**

- The Odyssey is from 2004, which means it has likely accumulated significant mileage. Even with good maintenance, wear and tear on components like the transmission, suspension, and interior materials (e.g., upholstery, carpet) may be noticeable.

- Older vehicles are more prone to electrical gremlins, such as failing window regulators, door locks, or infotainment systems.

2. **Transmission Concerns**

- While the automatic transmission is reliable, it is not immune to issues. Common problems include delayed shifting, rough engagement, or fluid leaks over time. Regular transmission fluid changes (every 30,000 60,000 miles) are critical to prevent failure.

- Some owners report that the transmission can become sluggish or require a rebuild after 150,000 miles, though this is not universal.

3. **Interior Wear and Tear**

- The interior materials, such as the fabric or vinyl seats, may show signs of aging, cracking, or staining, especially if the vehicle has been exposed to sun or spills.

- The carpet and floor mats may also be worn, and the sliding doors can develop gaps or squeaks over time.

4. **Rust Potential**

- Depending on where the vehicle was driven, rust could be an issue, particularly in the wheel wells, undercarriage, or rocker panels. A thorough inspection of these areas is essential before purchasing.

- The Odyssey s design includes some crevices where moisture can accumulate, potentially leading to rust if the vehicle was not properly maintained.

5. **Infotainment and Tech Limitations**

- The audio system is basic by today s standards, with no Bluetooth, USB ports, or modern connectivity. This can be a dealbreaker for buyers who rely on navigation or streaming services.

- The lack of a backup camera is also a safety concern, as it was not standard on this model.

6. **Fuel Economy Compared to Modern Alternatives**

- While the Odyssey s fuel efficiency is decent for its class, modern minivans (even older ones) or hybrid options offer significantly better MPG. If fuel costs are a major concern, this could be a drawback.

- The 3.5L V6 is not as fuel-efficient as a smaller engine or a hybrid system, which may be more appealing to cost-conscious buyers.

7. **Safety Features Outdated**

- The Odyssey lacks modern safety features such as lane-keeping assist, automatic emergency braking, or advanced airbag systems. While it has basic safety features like ABS and stability control, it does not meet today s higher safety standards.

- The lack of a backup camera increases the risk of accidents when reversing, especially in tight spaces.

8. **Comfort and Noise Levels**

- While the ride is smooth, the cabin can feel a bit noisy at highway speeds compared to newer models with improved sound insulation and quieter engines.

- The third-row seating is tight, and the legroom may be uncomfortable for adults or taller passengers on long trips.

9. **Potential for Hidden Mechanical Issues**

- **Timing belt/chain**: The 3.5L V6 uses an interference engine, meaning a broken timing belt can cause catastrophic engine damage. Check the service records to confirm it was replaced at the manufacturer s recommended interval (typically every 60,000 100,000 miles).

- **Suspension components**: Bushings, shocks, and struts may need replacement, affecting ride quality and handling.

- **Exhaust leaks**: Rust or holes in the exhaust system can lead to noise and reduced performance.

- **Coolant leaks**: The water pump and hoses can fail, leading to overheating if not addressed.

10. **Resale Value and Depreciation**

- While the Odyssey holds its value better than some competitors, it is still a 20-year-old vehicle. Its resale value will be significantly lower than a newer minivan, and you may not recover much of your investment if you sell it in the future.

---

### **Conclusion**

The 2004 Honda Odyssey with a 3.5L V6 and automatic transmission is a practical and reliable choice for buyers who prioritize space, comfort, and durability over the latest technology. It is well-suited for families, those needing extra cargo room, or individuals who prefer a smooth, easy-to-drive vehicle. However, its age means it will require more maintenance than a newer model, and some features (like safety tech and fuel efficiency) are outdated by today s standards.

- You need a spacious, comfortable vehicle for daily use or family trips.

- You are prepared to invest in maintenance (oil changes, transmission fluid, suspension work, etc.).

- You find a well-maintained example with a clean service history, especially regarding the timing belt and transmission.

- You don t require advanced infotainment or safety features.

- You want a vehicle with modern safety features like backup cameras, lane assist, or automatic braking.

- You prioritize fuel efficiency and plan to drive long distances frequently.

- You are unwilling to perform or budget for regular maintenance and potential repairs.

- You find significant rust, electrical issues, or a history of neglect in the vehicle s records.

---

### **Recommendation**

1. **Obtain a Pre-Purchase Inspection (PPI)**

- Hire a trusted mechanic to perform a thorough inspection, focusing on the engine, transmission, suspension, exhaust, and electrical systems. This will help identify any hidden issues and give you a clear picture of the vehicle s condition.

2. **Review Service Records**

- Ask for detailed service records, especially for the timing belt, transmission fluid changes, and major repairs. A well-documented history is a strong indicator of responsible ownership.

Details:

Replace valve cover gaskets. Airbags are not tested to meet any safety standards. Used tires are not tested or labeled by MAS to meet any safety standards. A daytime phone number is required to schedule the delivery.

Manufacturer Brand: Color: Position: Fitment Notes. TRANSMISSIONS/TRANSFER CASES Items will not be released without it. And engage torque converter into front pump.

RECOMMENDED INSTALLATION/REPLACEMENT PROCEDURES ENGINES All other parts included are considered accessories or extra. Fill transmission with manufacturer specified fluid. If needed, replace timing gears, chains or belts gaskets.

Install new spark plugs wires. Transmissions: are warrantied to be in good working order against any slippage or shifting failures. Airbags must be installed in accordance with vehicle manufacturers specifications. Items marked Sold AS-IS are final sale with no warranty.

Menu: FREE RESIDENTIAL SHIPPING. Residential Address: Curbside delivery only. Flush and inspect cooling lines. Flush cooling system re-fill to proper level.

Differentials: All internal lubricated parts within the drive axle housing are guaranteed in good working condition at time of purchase. Any rights not expressly granted herein are reserved. Install new filter kit. Scan, record and clear all codes before removing the original unit.

You are expected to check this page from time take notice of any changes we made, as they binding on you. Install new belts and hoses. The example companies, organizations, products, people and events depicted herein are fictitious. Warranty Information: Please review the listing for specific warranty details.

Replace thermostat gasket. Replace oil pan gasket and rear main seal. Replace all seals. 6 MONTH WARRANTY.

Adjust throttle position sensor cable. Scan, record and clear all codes before removing original unit. Buyer accepts all risk of damages/injuries if not installed properly. Drain and replace engine oils to manufacture suggested levels.

Th is part fits vehicles made in the following years 2004. Replace oil, air and fuel filters.

part #: 20021pyba00 prices

• $1039.90-$2104.10

specifications autotransmissionsgo:

• for models: Odyssey
• for makes: Honda
• for years: 2004
• mpn: 20021pyba00
• manufacturer warranty: 6 Month
• genuine oem: Yes
• seller notes: A Fwd Prod Date
• interchange item code: 400
• reference oe/oem: 20021pyba00, 20021pyba01, 20021pyba02, Byba
• compatibility: Odyssey 04 At;
• type: Automatic Transmission Assembly

returns autotransmissionsgo:

• paid by: Buyer
• policy: Returns Accepted
• time: 60 Days

payments autotransmissionsgo:

• credit card: Visa
• wallet: Apple-pay
• other

seller autotransmissionsgo:

• city: Camden, New Jersey
• rating: 99.2%
• # reviews: 33503

offer autotransmissionsgo:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1
• started: April 27, 2026

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

shipping autotransmissionsgo:

• class: Freight
• service: Flat Rate Freight
• type: Fixed
• cost: $0.00

Honda 20021PYBA00 Is Similar To:

• 08200-9006 Genuine Acura Honda New Set Of Quarts Automatic Transmission Fluids (42.4% similar) Applications ACURA2013-2014 lix hybrid l4 5l note: with CT transmission insight. 3l note: with CT transmission civic l4 if you live outside of the USA please research and verify it fits your vehicle before purchasing. Or for a quick response...(August 30th, 2018)
• 96 Honda 2.2l Accord 97 100937 Transmission Automatic (40% similar) 2,FLR this part will fit these makes and model's with these options accord. No expedited shipping is available...(December 28th, 2014)
• 05 01 02 Transmission 04 Automatic Civic 03 102661 Honda (35% similar) 7,AUTO,TESTED this part will fit these makes and model's with these options civic. No expedited shipping is available...(February 7th, 2015)
• 03 Automatic 103047 3.5l Honda Transmission Pilot (39.7% similar) No expedited shipping is available. 5,AWD,CLEAN fluid,tested this part will fit these makes and model's with these options pilot 03. N new part manufactured from scratch...(January 17th, 2015)
• 1093322 Accord 03 04 05 06 07 Honda Manual Transmission Sdn 2.4l (34.4% similar) The vehicle manufacturer requires the vehicle computer be reprogrammed immediately after installation to identify and properly operate the replacement transmission. 4l transmissions are sold as sealed drive train power conversion units. Many modern vehicles have computer controlled shifting. N new ...(March 31st, 2016)
• 11 Honda Accord Automatic Transmission (48% similar) If an item arrives damaged, please via message within 24 hours for instructions. No expedited shipping is available...(August 26th, 2017)
• 110413 Transmission Hybrid 3.0l 05 Vin Automatic Sdn Honda Accord Digit 5th (30.9% similar) 0L6 celebrity 28K this part will fit these makes and model's with these options accord 05...(December 10th, 2014)
• 116464 Civic 96 97 98 99 00 Honda Automatic Transmission 1.6l Sohc Base (39.2% similar) ...(January 15th, 2016)
• 117323 3.5l Honda 02 Odyssey Transmission 03 Automatic (42.6% similar) N new part manufactured from scratch. No expedited shipping is available. 5,AOD,DROVE perfect,clan fluid this part will fit these makes and model's with these options odyssey...(August 24th, 2015)
• 3.0 vtec auto transmission Acura Honda 117xxx miles (36.2% similar) Delivery available within reason. Shifts perfectly with no issues...(May 16th, 2014)
• 1205532 09 10 11 12 13 14 Honda Fit Automatic Transmission 5 Speed (43.1% similar) Gasoline 5 speed fit 14. Honda fit automatic transmission 5 speed transmissions are sold as sealed drive train power conversion units. Many modern vehicles have computer controlled shifting. N new part manufactured from scratch. 5L,5AT,S this part will fit these makes and model's with these options ...(November 20th, 2015)