POLARIS 3084730 Cylinder Head 3086755 129 400L

( Part Type: Cylinder Head ), ( Manufacturer Part Number: 3084730 / 3086755 )

Review POLARIS 129 Cylinder Head fits SPORTSMAN 4X4 1994

Introducing the Polaris Sportsman 400L 4x4 with the cylinder head model numbers 3084730 and 3086755, a versatile and powerful ATV designed for various terrains and applications. This particular component, the cylinder head, is a crucial part of the engine system, responsible for housing the combustion chambers and valves.

The Polaris Sportsman 400L 4x4 cylinder head boasts a robust design, featuring a high-performance combustion chamber configuration that enhances power and torque output. This translates to improved acceleration and towing capabilities, making this ATV an excellent choice for those who require a reliable workhorse.

The cylinder head is also engineered for durability and long-lasting performance. It is constructed from high-strength materials, including cast iron and aluminum alloy, which effectively dissipate heat and reduce the risk of engine damage. Additionally, the head gasket is designed with a multi-layer steel construction, ensuring a tight seal between the cylinder head and engine block for optimal sealing and engine efficiency.

This cylinder head is further enhanced with advanced engineering features, such as a roller rocker arm system, which reduces friction and wear on the valves and camshaft, resulting in a smoother and quieter operation. The intake and exhaust ports are optimally designed for efficient air and fuel flow, ensuring optimal engine performance under various operating conditions.

The Polaris Sportsman 400L 4x4 cylinder head is a premium component that delivers on power, durability, and performance. It is an essential upgrade for those seeking to enhance the capabilities of their Sportsman 400L 4x4 ATV, allowing them to tackle more challenging terrains and demanding tasks with ease and confidence. So, if you're looking for a high-performance cylinder head for your Polaris Sportsman 400L 4x4, look no further than the 3084730 and 3086755 models.

The Polaris Sportsman 400L 4x4 is a mid-size all-terrain vehicle (ATV) known for its versatility and durability. Here are some pros and cons that can help you make an informed decision about purchasing this particular model, specifically referring to the cylinder head parts with the product codes 3084730 and 3086755.

1. Durable engine: The Sportsman 400L is powered by a 398cc, SOHC, liquid-cooled, single-cylinder engine. This engine is known for its reliability and durability.

2. Capable off-road performance: With a 4x4 drivetrain and adjustable suspension, this ATV can handle various off-road conditions with ease.

3. Spacious cargo bed: The 400L model comes with a long, 45-inch cargo bed, which can accommodate a significant amount of cargo.

4. Easy maintenance: The cylinder head parts you're considering are readily available from Polaris, ensuring easy access for replacement when needed.

1. Fuel consumption: The Sportsman 400L has a relatively high fuel consumption rate, which can be a disadvantage for those who plan to use it extensively.

2. Price: Compared to other mid-size ATVs in its class, the Sportsman 400L can be on the pricier side.

3. Weight: The 400L model weighs in at around 625 lbs, which might be a concern for those who need a lighter ATV for maneuverability in tight spaces.

The Polaris Sportsman 400L 4x4 is a robust and capable all-terrain vehicle, particularly suitable for those who require a spacious cargo bed and dependable off-road performance. While it has some drawbacks, such as higher fuel consumption and a relatively higher price point, its advantages, including durability and easy availability of replacement parts, make it a strong contender in the mid-size ATV market.

If you're in the market for a versatile, dependable mid-size ATV, the Polaris Sportsman 400L 4x4 is an excellent choice. With its durable engine, capable off-road performance, and spacious cargo bed, it can meet the needs of various users. Just keep in mind that its fuel consumption and weight might be factors to consider, depending on your specific requirements.

part # 3084730 prices

• $49.95-$327.95

specifications atvsienna:

• for models: 4x4, Sportsman
• for makes: Polaris
• for years: 1994
• part type: Cylinder Head
• manufacturer part number: 3084730 / 3086755

seller atvsienna:

• rating: 99.8%
• # reviews: 5388

general atvsienna:

• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
• condition: Used

returns atvsienna:

• policy: No Returns

offer atvsienna:

• started: January 17, 2026
• best offers: True
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1

payments atvsienna:

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

shipping atvsienna:

• type: Fixed
• cost: $0.00
• transit: 5-9 Days
• class: Standard
• service: Standard

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