SEA-DOO 290867920 Intake Manifold Fuel Rail Injectors

( Manufacturer Part Number: 290867920 ), ( Type: Intake Manifold )

Review SEA DOO Intake Manifold Fuel Rail Injectors fits GTX 4-TEC 2002

The **Sea-Doo 290867920 2002 GTX 4-TEC Intake Manifold with Fuel Rail and Injectors** is a meticulously engineered aftermarket component designed to enhance the performance, reliability, and fuel efficiency of your 2002 Sea-Doo GTX 4-TEC outboard motor. This high-quality replacement assembly combines precision-crafted aluminum construction with a seamless fuel delivery system, ensuring optimal airflow and fuel distribution for maximum power output. The intake manifold is engineered to fit snugly within the engine bay, maintaining proper alignment with the throttle body, air intake, and fuel rail, while the integrated fuel rail houses a pair of precision-machined injectors that deliver a consistent, metered spray of fuel directly into the combustion chamber. These injectors are built to Sea-Doo s exacting standards, featuring durable seals and a robust design that resists clogging and wear, even under demanding conditions. Whether you're looking to restore your motor to factory specifications after a rebuild or upgrade for improved throttle response and fuel economy, this manifold and injector set provides a seamless, high-performance solution. Ideal for both DIY enthusiasts and professional mechanics, the assembly is backed by Sea-Doo s reputation for quality, ensuring compatibility with the 2002 GTX 4-TEC s electronic fuel injection system while minimizing the risk of leaks or performance loss. With its focus on durability and performance, this component is a critical upgrade for anyone seeking to revive or refine the power and efficiency of their Sea-Doo outboard.

### **Pros and Cons of Buying a Sea-Doo GTX 4-TEC Intake Manifold and Fuel Rail Injectors (Part #290867920, 2002 Model)**

1. **Compatibility and Fitment** This part is specifically designed for the 2002 Sea-Doo GTX 4-TEC, ensuring a proper fit without modifications. It replaces the original intake manifold and fuel rail injectors, which may have worn out over time.

2. **Improved Performance** A new intake manifold and injectors can enhance fuel delivery, throttle response, and overall engine efficiency. If the original components were failing or clogged, replacing them can restore or even improve power output.

3. **Reliability and Durability** New, OEM-quality parts are built to last longer than worn-out or aftermarket alternatives that may not meet the same standards. This reduces the risk of leaks, poor fuel atomization, or engine misfires.

4. **Preventative Maintenance** If the original injectors were dirty or the manifold had cracks, replacing them now can prevent more costly repairs down the line, such as fuel system failures or engine damage from poor fuel delivery.

5. **Easier Installation** Since these are direct replacements, installation should be straightforward if you have basic mechanical skills or access to a Sea-Doo specialist. No major modifications to the engine or fuel system are typically required.

6. **Warranty Coverage** If purchased from an authorized dealer or a reputable supplier, these parts may come with a warranty, providing peace of mind against defects.

7. **Better Fuel Economy** A properly functioning intake manifold and injectors ensure optimal fuel-air mixture, which can improve fuel efficiency compared to a degraded system.

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1. **Cost** Replacing both the intake manifold and injectors can be expensive, especially if labor costs are factored in. The price may be higher than expected if the part is not readily available or requires special ordering.

2. **Potential for Counterfeit Parts** If buying from an untrusted source, there is a risk of receiving non-OEM or low-quality replicas that may not fit correctly or perform as expected. Always verify the seller s reputation.

3. **Installation Complexity** While these parts are designed for easy replacement, improper installation such as incorrect injector seating or manifold gasket leaks can lead to performance issues or damage. Professional installation may be recommended if unsure.

4. **Compatibility with Modifications** If the Sea-Doo has been previously modified (e.g., upgraded exhaust, ECU tweaks, or fuel system changes), the new manifold and injectors may not integrate perfectly without additional adjustments.

5. **Time and Downtime** Removing the old components, installing the new ones, and performing a thorough setup (e.g., injector priming, ECU recalibration) can take several hours. This means the jet ski will be out of commission during the process.

6. **Possible ECU or Sensor Issues** If the original injectors were failing intermittently, the ECU may have learned incorrect patterns for fuel delivery. After replacement, the ECU might need recalibration or a diagnostic check to ensure proper operation.

7. **Resale Value Impact** If the jet ski is being sold later, potential buyers may question why these parts were replaced, especially if they were still functional. However, this is less of a concern if the parts were genuinely failing.

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Replacing the intake manifold and fuel rail injectors on a 2002 Sea-Doo GTX 4-TEC is a **worthwhile investment** if the original components are degraded, causing performance issues, poor fuel economy, or engine hesitation. The benefits in reliability, power, and longevity often outweigh the costs, especially if the parts are purchased from a trusted source and installed correctly.

However, if the jet ski is not showing clear signs of injector or manifold failure (e.g., rough idling, hard starting, or visible leaks), the expense may not be justified. In such cases, cleaning the injectors or inspecting the manifold for damage could be a more cost-effective solution.

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1. **Diagnose First** Before purchasing, confirm that the injectors are clogged or the manifold is cracked/leaking. Use a Sea-Doo diagnostic tool or consult a specialist to check for misfires, fuel pressure, and ECU codes.

2. **Buy from Authorized Sources** Purchase the part (#290867920) from an official Sea-Doo dealer, a reputable marine parts supplier, or a trusted online retailer to avoid counterfeit or low-quality replacements.

3. **Consider Professional Installation** If unsure about installation, have a Sea-Doo technician handle the job to ensure proper sealing, injector priming, and ECU synchronization.

4. **Check for Alternatives** If the budget is tight, explore options like injector cleaning kits or manifold repairs (if only minor damage exists) before committing to a full replacement.

5. **Document the Work** Keep records of the replacement, including receipts and any diagnostic scans, in case future issues arise or the jet ski is resold.

**Final Verdict:** If the parts are genuinely failing and the jet ski is a priority, replacing them is a smart upgrade. If the components are still functional, prioritize other maintenance tasks or smaller repairs first.

Details:

Ratings for Item Condition. It includes everything pictured. It is straight. It has some scratches and wear marks.

Domestic Shipping. FAIRLY GOOD: This is a used part that in good working order but has larger amount of cosmetic damage. It all depends on the size and weight of items. EXCELLENT: This is a new part that still in the package and perfect condition.

We most often are able to combine shipping if multiple items purchased. It does not have any cracks or leaks. It is still a usable part. It may have some surface scratches, but no mechanical problems.

This item is in GOOD condition. Or it is a part with small mechanical problem but still usable. It does not have any dents.

part #: 290867920 prices

• $49.99-$133.46

specifications jetskiintakeez:

• for models: Gtx, 4-tec
• for makes: Sea-doo
• for years: 2002
• mpn: 290867920
• type: Intake Manifold

general jetskiintakeez:

• condition: Used
• Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems

payments jetskiintakeez:

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

returns jetskiintakeez:

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

shipping jetskiintakeez:

• class: Standard, Expedited
• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail, UPS Ground
• cost: $14.45
• carrier: USPS, UPS
• transit: 3-5 Days

seller jetskiintakeez:

• # reviews: 41500
• city: Hayden, Idaho
• rating: 99.8%

offer jetskiintakeez:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: April 19, 2026
• availability: In Stock

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