HONDA 343.HO1P12R Rh Rear Engine Mount

( Part Type: Engine Mount ), ( Conditions Options: At, Fwd, Rh Rear, Engine Mount ), ( Genuine Oem: Yes ), ( Ipn: 343.ho1p12r ), ( Manufacturer Warranty: 60 Day )

Review HONDA Rh Rear Engine Mount fits ODYSSEY 2012

The **Honda 343.HO1P12R Odyssey 2012 RH Rear Engine Mount** is a precision-engineered suspension component designed specifically for the reliability and performance of the Honda Odyssey s rear axle system. This high-quality rubber-and-metal mount serves as a critical link between the engine assembly and the vehicle s chassis, ensuring smooth power delivery while absorbing vibrations and reducing unwanted noise during operation. Crafted from durable, heat-resistant rubber compound reinforced with a robust steel insert, this engine mount is engineered to withstand the demands of daily driving, including highway cruising, towing, and heavy loads, all while maintaining optimal alignment and structural integrity. The right-hand (RH) orientation ensures a perfect fit for the Odyssey s rear engine compartment, allowing for easy installation without the need for modifications. Over time, engine mounts naturally degrade due to wear, heat, and road-induced stress, which can lead to rattles, reduced engine stability, and even transmission issues if left unaddressed. Replacing this mount with the genuine Honda part guarantees a seamless fit and performance restoration, restoring the vehicle s intended handling characteristics and preventing further damage to surrounding components. Whether addressing a noticeable clunking noise, excessive movement in the engine bay, or preparing for a major service like a transmission overhaul, this replacement part is an essential upgrade for maintaining the Odyssey s smooth, confident ride and long-term durability.

### Pros and Cons of Buying a 2012 Honda Odyssey with a Failing Rear Engine Mount (HO1P12R, Part Number 343.ho1p12r)

#### **Pros**

1. **Reliability of the Honda Odyssey Platform** The Honda Odyssey, particularly the third-generation model (2004 2013), is known for its solid construction, comfortable ride, and durable powertrain. Many owners report few major issues beyond routine maintenance.

2. **Spacious and Practical Interior** The Odyssey remains one of the most practical minivans on the market, offering ample cargo space (up to 114.5 cubic feet when seats are folded) and a flexible seating arrangement. The sliding doors and high roof provide easy access for passengers and cargo.

3. **Comfortable Ride and Quiet Cabin** The Odyssey s suspension and sound insulation make it a smooth ride, even on rough roads. The cabin stays relatively quiet, which is a significant advantage for long trips or daily commuting.

4. **Fuel Efficiency for a Minivan** The 2012 Odyssey comes with a 3.5L V6 engine (VTEC) paired with a 5-speed automatic transmission. While not the most fuel-efficient vehicle on the road, it averages around **17 19 MPG city / 24 26 MPG highway**, which is decent for its class. The 2012 model also includes a **start-stop system** (on some trims) to improve fuel economy slightly.

5. **Safety Features** The 2012 Odyssey includes standard safety features such as **stability control, traction control, anti-lock brakes (ABS), and multiple airbags**. It also earned a **Good** rating in the **IIHS Top Safety Pick ** (2012) for its crash test performance, though it lacks some modern advanced safety tech like forward collision warning or lane-keeping assist.

6. **Resale Value** Hondas, especially minivans, hold their value relatively well compared to some competitors. The Odyssey s reputation for durability contributes to this.

7. **Affordability** Used 2012 Odysseys are generally priced reasonably, making them a budget-friendly option for families needing space without the cost of a newer model.

8. **Versatile Trims and Options** The 2012 Odyssey was available in several trims, including the **EX, EX-L, Touring, and Touring-L**. Higher trims offered features like **leather seats, a rear entertainment system, heated/ventilated seats, and a premium audio system**. Even base models provide adequate functionality.

9. **Easy Maintenance and Parts Availability** Honda s reputation for easy servicing means that parts (including the rear engine mount) are widely available, and mechanics are familiar with the vehicle s systems.

10. **Family-Friendly Features** The Odyssey includes practical family-oriented amenities such as **rear-seat reminders, child seat anchors, and a convenient cargo management system**.

---

#### **Cons**

1. **Failing Rear Engine Mount (HO1P12R)** The **rear engine mount** (part number **343.ho1p12r**) is a critical component that supports the engine and transmission. A worn or failing mount can lead to:

- **Excessive engine vibration**, which can be uncomfortable and may indicate further drivetrain issues.

- **Transmission shifting problems**, as the mount helps stabilize the powertrain.

- **Potential damage to other drivetrain components** if ignored, leading to costly repairs.

- **Noise and rattling**, especially when accelerating or at highway speeds.

- **Safety concerns** if the mount fails completely, as it could cause the engine to shift unpredictably.

Replacing a rear engine mount typically costs **$200 $500** (parts and labor), depending on the dealer or shop. If the mount is part of a larger drivetrain issue (e.g., worn bushings, transmission mounts), additional repairs may be needed.

- **Apple CarPlay or Android Auto** (introduced in later models).

- **Advanced driver-assistance systems** (e.g., blind-spot monitoring, lane departure warning).

- **Improved fuel efficiency** (newer Odysseys offer **up to 25 MPG highway** with hybrid options).

- **Upgraded interior materials** (some newer models feature better-quality plastics and seating).

3. **Rear Seating Comfort and Visibility** The Odyssey s rear seats are **narrow and less comfortable** for adults compared to some competitors (e.g., Toyota Sienna or Chrysler Pacifica). Rear visibility is also limited due to the vehicle s height and design.

4. **Transmission Reliability Concerns** While the **5-speed automatic transmission** in the 2012 Odyssey is generally reliable, some owners report **rough shifting or delayed engagement**, particularly in colder climates. If the rear engine mount is failing, this could exacerbate transmission issues.

5. **Maintenance Costs Over Time** While the Odyssey is durable, **regular maintenance (e.g., timing belt, suspension, brakes, and fluid changes)** can add up. The **timing belt** (if not already replaced) should be checked, as failure can cause catastrophic engine damage.

6. **Resale Depreciation** The Odyssey s value drops significantly after a few years, and a 2012 model is considered **mid-cycle** in terms of depreciation. If you plan to sell it later, you may not recover as much as you invested.

7. **Fuel Costs** With an average of **17 19 MPG city**, fuel expenses can be higher than in more efficient vehicles, especially for long commutes or highway driving.

8. **Interior Wear and Tear** A used 2012 Odyssey may show signs of **aging interior materials**, such as cracked dashboard plastics, worn-out upholstery, or fading trim. If the vehicle has high mileage (e.g., over 150,000 miles), these issues may be more pronounced.

9. **Limited Warranty Coverage** The **2012 Odyssey is out of Honda s original warranty period**, meaning all repairs (including the rear engine mount) will be out-of-pocket. If the vehicle has pre-existing issues, this could lead to unexpected expenses.

- **Better fuel efficiency** (some hybrids available).

- **More modern safety tech** (even in older models).

- **Improved rear seating comfort**.

- **More advanced infotainment systems**.

---

### **Ending Conclusion**

Buying a **2012 Honda Odyssey with a failing rear engine mount (HO1P12R)** can be a **good deal** if you prioritize **space, reliability, and practicality** over the latest technology. The Odyssey remains a **solid choice for families** needing a versatile, comfortable, and durable vehicle. However, the **failing rear engine mount is a critical issue** that must be addressed immediately to prevent further drivetrain damage or safety risks.

If you **replace the rear engine mount** and ensure the rest of the vehicle is in good condition (transmission, suspension, brakes, and fluids), the Odyssey can be a **cost-effective and dependable** option. That said, if you re open to newer models, you could find **better fuel efficiency, safety features, and comfort** in a **2015 or newer Odyssey** (or even a **Toyota Sienna Hybrid** for improved MPG).

---

### **Recommendation**

- **Get a pre-purchase inspection** to confirm the condition of the **rear engine mount, transmission, suspension, and drivetrain**.

- **Replace the rear engine mount immediately** if it s failing, and check for related issues (e.g., worn bushings, transmission mounts).

- **Budget for regular maintenance** (timing belt, fluids, brakes) to keep the vehicle running smoothly.

- **Consider a used Odyssey with fewer miles** (under 100,000 miles) if available, as this reduces wear-and-tear risks.

- **2015 2017 Honda Odyssey** Offers **better fuel economy, modern infotainment, and improved safety features** while still being affordable used.

- **Toyota Sienna (especially the Hybrid)** More fuel-efficient, reliable, and with better rear seating.

- **Chrysler Pacifica (if you need a cargo van)** More modern tech and cargo flexibility, though some reliability concerns exist.

- **A well-maintained 2012 Odyssey with a fresh rear engine mount** can be a **great value** for a family vehicle, but **only if you re prepared for potential future repairs**.

The **2012 Honda Odyssey is a strong used minivan**, but the **failing rear engine mount is a

Details:

3.5L,AT,FWD,RH REAR,ENGINE MOUNT. Standard Warranty.

specifications engimou:

• for models: Odyssey
• for makes: Honda
• for years: 2012
• part type: Engine Mount
• conditions options: At, Fwd, Rh Rear, Engine Mount
• genuine oem: Yes
• ipn: 343.ho1p12r
• manufacturer warranty: 60 Day

seller engimou:

• rating: 99.6%
• # reviews: 365
• city: Rancho Cordova, California

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: Used

returns engimou:

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

offer engimou:

• started: March 30, 2026
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• quantity: 1

payments engimou:

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

shipping engimou:

• cost: $30.00
• type: Fixed
• service: Standard
• transit: 3-7 Days
• class: Standard

Honda Is Similar To:

• 037-00-004 Boomba Racing Honda Civic Rear Motor Mount Cvt Pure Aluminum (29.5% similar) Specifically for CT automatic transmission model's. Installation is simple, does not require engine support and utilizes all oem hardware. Compatible on the inside each mount you'll also find solid poured-in polyurethane bushings with the rigidity carefully chosen to optimize vehicle stability while...(October 17th, 2018)
• 10050-60a Innovative Mounts Steel Engine Motor Honda Civic Ek (26.8% similar) Product overview innovative civic series black steel mounts 60A bushings 2 bolt...(November 12th, 2018)
• 104-1643 Engine Mount Front Left Fits Honda Prelude (29.4% similar) At adopts...(March 30th, 2019)
• 104-1665 Engine Mount Rear Fits Honda Civic (34% similar) At adopts. This part fits vehicles made in the following years 2001 , 2002 , 2003 , 2004 , 2005...(August 26th, 2018)
• 104-1735 Engine Mount Rear Fits Honda Odyssey (33.3% similar) 8 am to 6 PO...(March 1st, 2019)
• 104-1812 Engine Mount Front Left Fits Honda Accord (31.7% similar) So forget the rest and try Best. You won't be disappointed. Our team of certified car quest counter pros are Best in the biz...(August 10th, 2018)
• 104-1837 Manual Trans Mount Fits Honda Accord (27.1% similar) Information like which side a part fits left or right and specific vehicle attributes transmission, AWD RWD, other exclusions are included for your in this column. All available information about this part is included in the listing. The image usually shows all pieces and qty included with part. ...(May 22nd, 2018)
• 104-2129 Engine Mount Rear Fits Honda Accord (33.7% similar) Our success is a combination of many things: sourcing, buying power, relationships, and market awareness...(July 28th, 2018)
• 104-2340 Manual Trans Mount Rear Fits Honda Accord (25.7% similar) If a part does not fit due to cataloging errors, vehicle split production date, etc...(March 18th, 2018)
• 10550-60a Innovative Mounts Replacement Motor Mount For Honda Civic (18.6% similar) Designed to fit the 7TH gen. Benefits features:direct factory oem replacement kit uses stock hardware unique no-tear vibration minimizing bushings no notching or trimming of the hood required bolt-on cad cam designed stress analyzed note:does not work with honda civic Si EPA...(August 31st, 2018)
• 11550-85a Innovative Mounts For Honda Replacement Mount Kit (20% similar) Honda Cr-z ZF1 chassis with lea motors and works on both CT automatic manual transmissions. By switching to stiffer mounts without the fluid reduces wheel hop and increases driving response. No notching or trimming of the hood is required. If for some reason innovative mounts does require their item...(March 20th, 2018)