fits model: Sportster. make: Harley. year: 1988–2003.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 27004-88A ), ( Part Type: Intake Manifold ), ( Color: Silver ), ( Country Of Origin: United States )
The **Harley-Davidson 27004-88A Intake Manifold (1988 2003 Sportster XL)** is a meticulously crafted component essential for the optimal performance and smooth operation of Harley-Davidson s iconic 883cc and 1200cc Evolution engines found in the **Sportster XL models** from 1988 through 2003. This intake manifold is designed to channel air efficiently into the engine s cylinders, ensuring proper combustion and power delivery while maintaining the classic, rugged aesthetic that Harley-Davidson is renowned for. Crafted from high-quality **cast aluminum**, the manifold is engineered to withstand the demands of high-performance riding, offering durability and resistance to heat and stress. Its robust construction features precision-machined passages that optimize airflow, reducing turbulence and improving throttle response critical factors for both stock and modified applications. The manifold s design also incorporates a **throttle body mounting surface** compatible with the original Harley-Davidson throttle bodies, ensuring a seamless fit with minimal modifications required. For enthusiasts seeking to enhance their Sportster s performance, this intake manifold can be paired with aftermarket throttle bodies, fuel injectors, or performance air filters to further refine engine breathing and horsepower. Whether restoring a classic XL or upgrading an existing setup, this **OEM replacement part** guarantees authenticity and reliability, preserving the engine s heritage while delivering the power and efficiency modern riders demand. Its straightforward installation and compatibility with a wide range of Sportster models make it an indispensable choice for both mechanics and DIY mechanics alike.
**Pros and Cons of Buying a Harley-Davidson 27004-88A (1988-2003 Sportster XL Intake Manifold)**
### **Pros**
The **27004-88A intake manifold** is a well-known and widely available part for the Harley-Davidson Sportster XL series (1988 2003). Here are the key advantages of purchasing this component:
1. **OEM Quality and Fit** As a genuine Harley-Davidson part, it is designed to match the original specifications of the engine, ensuring proper fitment and performance without modifications. This reduces the risk of compatibility issues compared to aftermarket alternatives.
2. **Reliability and Durability** Harley-Davidson parts are built to withstand the demands of motorcycle use, including heat, vibration, and long-term wear. The intake manifold is typically made from durable materials like aluminum or cast iron, depending on the model, which helps prevent leaks and warping over time.
3. **Widespread Availability** Since this manifold is part of a popular and long-running model line, it is easy to find at Harley dealerships, online marketplaces (eBay, RockAuto, etc.), and specialty motorcycle parts stores. This makes sourcing relatively straightforward, even for older models.
4. **Compatibility with Modifications** While it is an OEM part, it can often be used with minor aftermarket upgrades (such as performance air filters or throttle bodies) without major conflicts. Many riders also use it as a base for custom intake setups.
5. **Warranty Coverage** Purchasing directly from an authorized Harley dealer may include warranty protection, which can be beneficial if the part develops issues shortly after installation.
6. **Proven Performance** The design has been refined over the years to optimize airflow and engine efficiency, making it a reliable choice for stock or lightly modified Sportster XL engines.
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### **Cons**
While the 27004-88A manifold has many strengths, there are some potential drawbacks to consider:1. **Cost** As an OEM part, it is typically more expensive than aftermarket alternatives. Prices can range from **$150 to $300 **, depending on condition and source. For budget-conscious buyers, aftermarket manifolds (e.g., from companies like **DynoJet, Edelbrock, or J&P Cycles**) may offer similar performance at a lower cost.
2. **Weight** The original intake manifold can be heavier than some aftermarket lightweight alternatives, which may slightly reduce throttle response in high-performance applications. However, the difference is usually negligible for most riders.
3. **Potential for Leaks** Over time, intake manifolds can develop cracks or leaks at gaskets, especially if the engine has been modified or subjected to extreme heat. This may require additional sealing compounds or gasket replacements during installation.
4. **Limited Customization** Unlike aftermarket manifolds, the OEM part does not offer tunability features (e.g., adjustable runners or throttle bodies). Riders looking for performance gains beyond stock specifications may need to pair it with other modifications.
5. **Installation Complexity** Replacing an intake manifold requires removing the carburetor(s), throttle body, and associated wiring/hoses. This can be a time-consuming process for inexperienced mechanics, potentially leading to additional labor costs if professional installation is needed.
6. **Age-Related Wear** If purchasing a used manifold, there is a risk of hidden damage (e.g., corrosion, warping, or internal cracks). Inspecting the part closely or buying from a reputable seller with return policies is advisable.
7. **Potential for Stock Restrictions** Some aftermarket modifications (e.g., big bore kits or high-performance air filters) may void warranty coverage if installed alongside OEM parts. Harley s warranty policies can be restrictive, so buyers should verify compatibility before proceeding.
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### **Conclusion**
The **Harley-Davidson 27004-88A intake manifold** is a solid choice for riders seeking a **reliable, high-quality, and easy-to-find** replacement for their 1988 2003 Sportster XL. It offers **proven performance, durability, and OEM compatibility**, making it ideal for those who prioritize **authenticity and long-term reliability** over cost savings or performance tuning.
However, if **budget is a concern** or the rider plans **significant modifications**, aftermarket alternatives may be worth considering. Additionally, buyers should **inspect the part thoroughly** (or purchase from a trusted source) to avoid issues like leaks or damage.
For most **stock or lightly modified Sportster XL owners**, the 27004-88A manifold is a **recommended purchase** due to its balance of quality, availability, and ease of installation.
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### **Final Recommendation**
- **Buy the 27004-88A manifold if:**- You want a **direct OEM replacement** with minimal compatibility risks.
- You prioritize **durability and warranty coverage** (if buying from a dealer).
- You plan to keep the bike **stock or with minor modifications**.
- You value **ease of sourcing** and don t mind paying a premium for Harley s brand reliability.
- **Consider an aftermarket alternative if:**- You re on a **tight budget** and can find a high-quality aftermarket manifold (e.g., from **DynoJet or Edelbrock**) at a lower cost.
- You plan **significant performance upgrades** (e.g., big bore, high-flow air intake) and want more tunability.
- You re uncomfortable with the **higher upfront cost** of an OEM part.
For the average Sportster XL owner, the **27004-88A is the safest and most practical choice**, provided it is sourced from a reputable dealer or seller. Always verify the part s condition and compatibility with your specific engine configuration before purchasing.
Fitment for stock CV40 carburetor. Check pictures carefully to determine condition. Please double-check pictures and part number for compatibility yourself, I sometimes must go by parts lists when attributing errors happen. Small cosmetic flaws but overall in very good condition.
Includes manifold, mounting flanges, bolts and used gaskets/grommets. Everything in pictures included as pictured. Hardware has good heads and threads. Great base for a restoration, custom or mod.
No cracks or chips. Clean or polish up, refresh with a clean and gasket set go. Gaskets included for posterity, carburetor mounting flange gasket is still flexible and may be usable but intake gaskets should replaced before any use. Remember to check compatibility for yourself based on the part number, pictures, etc.
Includes complete pictured factory / genuine Harley-Davidson OEM intake manifold assembly with hardware. Much cheaper than buying piecemeal. Removed from a 2000 Harley-Davidson Sportster XL883 Standard. This is a factory complete 1988 - 2003 Harley-Davidson Sportster XL intake manifold assembly with OEM hardware and mounting bolts in good condition, part numbers27004-88A 27023-99 stamped, possibly among others.