HONDA 10005RGWA03 Right Passenger Engine Motor Cylinder Head 3.5

( Manufacturer Part Number: 10005RGWA03 ), ( Interchange: 306-50315j ), ( Type: Cylinder Head ), ( Id: F737bf16-31d4-4777-a762-c2a9cd527d02 )

Review HONDA 3.5 Right Passenger Side Engine Motor Cylinder Head fits ODYSSEY 2008–2017

The **Honda 10005RGWA03** is an original equipment manufacturer (OEM) engine cylinder head designed specifically for the **2008 2017 Honda Odyssey** with a **3.5L V6 engine**, positioned on the **right-hand side of the passenger side**. This precision-engineered component is a critical part of the engine s combustion system, housing the intake and exhaust valves, spark plugs, and valve springs, all of which work in unison to ensure optimal performance, efficiency, and reliability. Crafted from high-grade aluminum alloy, the cylinder head is engineered to withstand the extreme heat and pressure generated during combustion while maintaining structural integrity over thousands of miles. Its intricate design includes precision-machined valve seats, guide bores, and a robust rocker arm assembly, all of which contribute to smooth operation and reduced wear. The head features **four valves per cylinder** (two intake and two exhaust) arranged in a high-performance layout to maximize airflow, enhancing both power delivery and fuel economy. This component is fully compatible with Honda s **J35A4 engine**, making it an essential replacement for vehicles experiencing issues such as overheating, coolant leaks, or internal wear common signs that the cylinder head may require servicing or replacement. Whether addressing a minor repair or a full engine overhaul, the **10005RGWA03** ensures a seamless fit, maintaining the Odyssey s legendary reliability and driving dynamics. For optimal results, it is recommended to use this genuine Honda part alongside high-quality gaskets, seals, and torque specifications to guarantee a leak-free and long-lasting installation.

### **Pros and Cons of Buying a Honda 10005RGWA03 (2008 2017 Odyssey 3.5L Right-Passenger Engine Cylinder Head)**

1. **Reliability and Durability** Honda s 3.5L V6 engine (J35A) is known for its longevity, especially when maintained properly. Many examples exceed 200,000 miles with basic care.

2. **Proven Performance** The engine is smooth, efficient, and well-suited for minivan use, offering strong towing capacity (up to 3,500 lbs with a tow package) and decent fuel economy ( 18 20 MPG combined).

3. **Availability of Parts** As a widely used engine, replacement parts (including cylinder heads) are readily available from Honda dealerships, aftermarket suppliers, and salvage yards.

4. **Potential for Cost Savings** Buying a used cylinder head (especially from a salvage yard) can be significantly cheaper than a new one, reducing repair costs.

5. **Compatibility with Modifications** The engine responds well to performance upgrades (e.g., cold air intakes, exhaust systems) if the owner is mechanically inclined.

6. **Minivan Practicality** The Odyssey s spacious interior, sliding doors, and cargo flexibility make it a practical choice for families or those needing a large vehicle.

1. **Potential for Head Gasket or Valve Cover Issues** Some 3.5L V6 engines (especially in older models) have had reports of head gasket failures or valve cover leaks, though these are not universal. Proper inspection is critical.

2. **Transmission Concerns** The 5-speed automatic (or later 6-speed in 2010 ) can be finicky, requiring occasional fluid changes and potential clutch or solenoid replacements.

3. **Rust and Corrosion** Older Odysseys (especially in snowy or coastal climates) may suffer from rust in wheel wells, undercarriage, or body panels, increasing long-term maintenance costs.

4. **Depreciation** Minivans generally depreciate faster than SUVs or sedans, so the resale value may not justify a high purchase price.

5. **Maintenance Costs** While the engine is reliable, routine upkeep (e.g., timing belt, spark plugs, fuel filter) is necessary to prevent costly failures.

6. **Size and Maneuverability** The Odyssey is large, making parking and city driving more challenging compared to smaller vehicles.

The **Honda 10005RGWA03 cylinder head** (for a 2008 2017 Odyssey 3.5L) is a **solid, cost-effective replacement** if sourced from a reputable salvage yard or trusted seller. The engine itself is durable, but **buyers should verify its history for leaks, compression, or prior damage**. A used cylinder head can save money, but it must be inspected for cracks, warping, or internal wear before installation.

- **Buy from a salvage yard or reputable mechanic** with a warranty or inspection report.

- **Test the engine** (check for compression, leaks, and smooth operation) before purchasing.

- **Budget for additional repairs** (transmission, rust, or minor engine issues) if buying a used Odyssey.

- **Consider a newer model (2016 )** if available, as later Odysseys have improved fuel economy and tech features.

**Final Verdict:** The cylinder head itself is a **good value**, but the overall vehicle s condition must be thoroughly assessed to ensure a worthwhile purchase. For best results, prioritize **maintenance history, mechanical health, and structural integrity** over just the engine component.

Details:

Over 6,000 vehicles in the yard and more arriving daily. Also, any tests that can possibly be done prior to installation should completed at time. This item is from a 16 HONDA ODYSSEY. Model: HONDA ODYSSEY.

Redeliver, limited access fees. Local delivery available to local businesses only. Over 600,000 parts on inventory. Cylinder Head.

If listing states free shipping, shipping is within the 48 only.

part #: 10005rgwa03 prices

• $40.02-$209.99

specifications cylinderheapar:

• for models: Odyssey
• for makes: Honda
• for years: 2008-2017
• mpn: 10005rgwa03
• interchange: 306-50315j
• type: Cylinder Head
• id: F737bf16-31d4-4777-a762-c2a9cd527d02

seller cylinderheapar:

• city: Cochranton, Pennsylvania
• # reviews: 31110
• rating: 99.9%

shipping cylinderheapar:

• type: Fixed
• class: Standard
• cost: $109.99
• transit: 2-7 Days
• service: Standard

offer cylinderheapar:

• started: February 11, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

returns cylinderheapar:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

payments cylinderheapar:

• credit card: Mastercard
• other
• wallet: Google-pay

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