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If your Chrysler 300 is showing rough idle, reduced throttle response, or coolant loss near the intake, the intake manifold can be a common culprit. Choosing the right intake manifold matters because fitment, sealing, and airflow characteristics affect drivability, engine longevity, and ease of maintenance. This guide outlines the top shortlisted intake manifolds for the Chrysler 300 and explains the evaluation criteria we used, including fit accuracy and sealing reliability. Read on to understand what to look for before selecting a replacement or upgrade.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | LLNSEAUTO Lower Intake Manifold with Gasket for 3.6L V6 |  |
| Best Quality Built to a higher standard if you want something more solid | NewYall 3.6L Upper Engine Intake Manifold for Chrysler 300 |  |
| Best Budget The cheapest option that still gets the job done reliably | MITZONE Lower Intake Manifold for Chrysler 300 2.7L (Direct Replacement) |  |
| Most Sold A high-volume bestseller chosen again and again | Htostar Racing Upper Intake Manifold for Chrysler/Dodge/Jeep 3.6L and 3.0L V6 |  |
| Best Value for Money The sweet spot between price and what you get | EVERESTWAY Lower Intake Manifold compatible with Chrysler 300 3.6L V6 |  |
| Best Overall The best all-around choice for most situations | MITZONE Intake Manifold Replacement for 3.6L V6 Chrysler/Dodge/Jeep/RAM |  |
1. LLNSEAUTO Lower Intake Manifold with Gasket for 3.6L V6
| Manufacturer | LLNSEAUTO |
|---|---|
| Manufacturer Part Number | 5184199AF |
| Engine | 3.6L V6 |
| Includes | Lower intake manifold, gaskets, bolts |
This LLNSEAUTO lower intake manifold is a factory-replacement style unit designed for 3.6L V6 Chrysler-family engines, offered as a single-piece lower manifold with the necessary gaskets and mounting hardware. It is typically used when the original manifold develops vacuum or coolant leaks, triggers a check engine light, or when a reliable rebuild is needed on higher-mileage engines. The kit includes upper and lower gaskets plus bolts and washers, which simplifies installation and reduces the need to source parts separately. Buyers report straightforward fitment on compatible vehicles and stable engine performance after installation. Limitations to note are typical of aftermarket replacements: finish and material details are not specified, so installers should inspect mating surfaces and torque to factory specs during fitting, and professional installation may be advisable for owners without engine experience. The unit targets routine restoration of engine sealing and drivability rather than performance enhancement.
Best for: Reliability-focused owners who prioritize restoring factory-level sealing and drivability on a Chrysler 300 3.6L V6 rather than chasing performance gains.
Less Ideal for: Buyers seeking performance improvements, custom tuning, or a lightweight aftermarket manifold should consider performance-oriented alternatives.
- Includes gaskets and mounting bolts so you get a complete replacement kit
- Made to match factory fitment for 3.6L V6 Chrysler-family engines, easing installation
- Multiple buyer reports of correct fit and restored engine operation after installation
- Covers a wide range of model years for Chrysler 300 with the 3.6L engine
- Manufacturer material and finish details are not specified, requiring inspection during install
- Not a performance upgrade; intended solely as a direct replacement
Verdict A complete, reliability-focused replacement that restores factory sealing and fit for Chrysler 300 models with the 3.6L V6.
2. NewYall 3.6L Upper Engine Intake Manifold for Chrysler 300
| Manufacturer | NewYall |
|---|---|
| Model | 5l84693AE |
| Engine fitment | 3.6L V6 |
| Compatible vehicles | Chrysler 300 2011-2020 |
This NewYall upper intake manifold is a direct replacement designed for the 3.6L V6 used in Chrysler 300 models and related vehicles. It installs where the factory upper intake sits and routes air into the intake runners and throttle body, restoring proper airflow when the original manifold is cracked or leaking. The listing emphasizes fitment across multiple 2011–2020 model years and users report it fits and functions like a factory part. For performance-minded buyers this part can return lost vacuum integrity and smooth idle and throttle response when the stock manifold fails. Notable features include vehicle-specific casting and bolt pattern to match factory mounting points. Expect the usual requirements for a replacement intake: careful torqueing of fasteners, cleaning mating surfaces, and replacing gaskets and hardware during installation. Some users noted difficulty achieving final bolt torque which suggests checking threads and using correct torque sequence; also this is an aftermarket option so finish and bolt quality may vary versus a factory unit. With proper installation it is a practical, performance-oriented replacement for a failing manifold.
Best for: Performance-oriented buyers seeking a vehicle-specific, factory-replacement style manifold to restore airflow and engine response on a Chrysler 300 with a 3.6L V6.
Less Ideal for: Buyers wanting an upgraded performance manifold with tuned runner geometry or integrated enhancements should look for purpose-built performance intakes rather than a factory-style replacement.
- Designed specifically for 3.6L V6 applications and listed to fit Chrysler 300 model years covered
- Restores intake sealing to recover smooth idle and throttle response after manifold failure
- Appears to match factory mounting points for straightforward replacement
- Affordable replacement compared with hard-to-find OEM manifolds
- Aftermarket build and fastener quality can vary, which may require extra care during installation
- Some users reported difficulty achieving full bolt torque, indicating possible fit or thread issues
Verdict A vehicle-specific, budget-friendly replacement that restores proper intake sealing and drivability for Chrysler 300 3.6L owners but is not a performance upgrade.
3. MITZONE Lower Intake Manifold for Chrysler 300 2.7L (Direct Replacement)
| Manufacturer | MITZONE |
|---|---|
| Model | Intake Manifold |
| Exterior | Plastic |
| OEM Part Number | 4591960AC |
This MITZONE lower intake manifold is a direct-replacement intake intended for Chrysler 300 2.7L engines from the 2006–2010 model years and similar Dodge/Chrysler vehicles that use the same part number. It ships with the manifold and gasket and is molded from upgraded plastic intended to resist heat and prevent leaks compared with older brittle units. Typical use is a like-for-like swap when the original lower manifold is cracked or leaking; installation is straightforward for a competent DIY mechanic or a shop since it follows factory mounting and ports. The practical benefit is value for money: it brings factory-style fitment at a lower cost than dealer parts and reviewers report good fit and easy installation. Limitations are those common to aftermarket plastic manifolds: long-term durability depends on operating conditions and installation quality, and you should verify interchange numbers and vehicle compatibility before buying because fit is specific to the 2.7L Chrysler family.
Best for: Practical, budget-conscious buyers who prioritize replacing a failed intake manifold with a factory-compatible, lower-cost alternative and who are comfortable verifying fitment or having a shop handle installation.
Less Ideal for: Owners seeking a long-term OEM-sourced part or an upgraded performance manifold should consider dealer parts or performance-specific replacements instead.
- Priced lower than dealer replacement while matching factory mounting points
- Includes gasket for a complete lower manifold service repair
- Made from upgraded plastic designed to resist high under-hood temperatures
- Reported by users to fit and install easily on compatible 2.7L vehicles
- Aftermarket plastic may not match the long-term durability of some factory units
- Compatibility is limited to specific 2.7L Chrysler family applications and requires careful part-number confirmation
Verdict A cost-effective, direct-replacement lower intake manifold for Chrysler 300 2.7L owners who want factory-style fit without the dealer price.
4. Htostar Racing Upper Intake Manifold for Chrysler/Dodge/Jeep 3.6L and 3.0L V6
| Compatible engines | 3.6L Pentastar V6 and select 3.0L V6 |
|---|---|
| Fitment years | 2011-2023 for Chrysler 300 and other listed models |
| Replaces part numbers | 05184693AE, 05184693AD, 5184693AE, 68621090AA |
| Exterior | Machined |
This upper intake manifold is a bolt-in replacement intended for Chrysler 300 and other 3.6L Pentastar and compatible 3.0L V6 models. It replaces several factory part numbers and is used when the original manifold leaks, cracks, or causes poor idling and reduced efficiency. The listing emphasizes a machined exterior and durable construction aimed at long service life, and the intake geometry is presented as optimized for fuel efficiency. Buyers will install it during routine engine repairs or when addressing intake-related drivability issues; a few bolts and basic engine access are required and some users note pre-installation of a few studs or bolts may help. Strengths are clear fitment coverage for 2011–2023 model years and a design that aims to restore proper airflow and engine performance. Limitations include lack of detailed material specification and the need to verify included fasteners or gaskets before starting the job, since those are not explicitly listed.
Best for: Risk-averse mainstream buyers looking for a straightforward, vehicle-specific replacement to restore factory performance on a Chrysler 300 and similar models.
Less Ideal for: Those seeking a performance-upgrade manifold or a fully documented OEM-spec reproduction should consider dedicated aftermarket or factory-quality alternatives with verified materials and included installation hardware.
- Direct-replacement fitment for a wide range of 3.6L and compatible 3.0L V6 Chrysler/Dodge/Jeep model years
- Machined exterior and stated durable construction intended for long service life
- Claims to restore intake airflow which can improve idle quality and fuel efficiency
- Does not list included gaskets or all hardware, so additional parts may be required for installation
- Material composition and detailed manufacturing tolerances are not specified
Verdict A practical, vehicle-specific intake manifold replacement aimed at restoring factory performance for Chrysler 300 owners who want a straightforward swap rather than a performance upgrade.
5. EVERESTWAY Lower Intake Manifold compatible with Chrysler 300 3.6L V6
| Brand | EVERESTWAY |
|---|---|
| Manufacturer Part Number | E004BC024AAD |
| Compatible Engine | 3.6L V6 |
| OEM Part Numbers Replaced | 05184199AD, 05184199AE, 5184199AF, 5184199AE, 5184199AD, 72140191 |
This EVERESTWAY lower intake manifold is a direct-replacement component for Chrysler 300 3.6L V6 applications and is intended to restore proper air delivery to the engine when the original manifold is damaged or leaking. It installs in the engine bay the same way as the factory unit and is offered with mounting hardware to simplify swap-in installation without modification. The manifold is described as glass-fiber reinforced with aluminum-reinforced areas to resist heat and corrosion, which should offer longer service life than basic plastic pieces and reduce risk of coolant or vacuum leaks. Buyers will appreciate the claimed factory-style fit and the compatibility with common OEM part numbers, making it a straightforward repair option. Expect the product to perform as a standard replacement rather than a performance upgrade, and like many aftermarket manifolds it may require careful gasket and torque practice to avoid installation leaks. Fitment is limited to specified Chrysler/Fiat-Chrysler models so verify year and engine before purchasing.
Best for: Practical optimizers who want a budget-conscious, factory-style repair that restores reliability without upgrading performance.
Less Ideal for: Buyers seeking performance gains, custom airflow tuning, or a multi-vehicle universal solution should look at aftermarket performance manifolds instead.
- Direct replacement design matching OEM part numbers for straightforward fitment
- Includes mounting hardware to simplify installation
- Glass-fiber reinforced construction and aluminum reinforcement for improved heat and corrosion resistance
- Compatible with a range of Chrysler 3.6L V6 applications, reducing part-sourcing complexity
- Not a performance intake—designed only to restore factory function
- Fitment is vehicle-specific so incorrect selection will not work
Verdict A cost-effective, factory-style replacement for Chrysler 300 3.6L V6 owners who want a durable, no-frills fix rather than a performance part.
6. MITZONE Intake Manifold Replacement for 3.6L V6 Chrysler/Dodge/Jeep/RAM
| Compatible engines | 3.6L V6 |
|---|---|
| Included parts | Intake manifold, gasket, bolts |
| Manufacturer part number | 009-173 |
| OEM part reference | 05184693AE 68621090AA |
This MITZONE intake manifold is a direct replacement for Chrysler 3.6L Pentastar applications and is supplied as a kit with the manifold, gasket, and bolts. It is intended to replace a cracked or leaking factory manifold to restore proper vacuum and engine performance. Installation is straightforward for a competent DIYer or technician because the part is molded to match factory mounting points and comes with the necessary hardware. The manufacturer says it uses an upgraded plastic to resist heat and leaks, and owner reports commonly note good fit and trouble-free operation for thousands of miles. Watch for inconsistent packaging quality and occasional warped units on arrival, and be careful during installation to torque fasteners to factory values since the mounting bosses are plastic and overtightening can strip threads. Expect a practical, cost-effective replacement that restores drivability without performance upgrades.
Best for: Balanced buyers seeking a reliable, cost-effective factory-style replacement to fix vacuum leaks and restore everyday drivability on Chrysler 3.6L V6 vehicles.
Less Ideal for: Drivers looking for performance gains, long-term heavy-duty durability beyond factory expectations, or those unwilling to follow torque and installation precautions should consider alternatives.
- Fits Chrysler/Dodge/Jeep/RAM 3.6L V6 applications as a direct factory-style replacement
- Supplied as a kit with gasket and bolts for a single-purchase repair
- Upgraded polymer construction aimed at resisting heat and reducing leaks
- Many user reports of correct fitment and reliable operation after installation
- Plastic construction remains vulnerable to damage if bolts are overtightened or under high thermal stress
- Some units have arrived warped or damaged due to packaging issues
Verdict A practical, affordable factory-style replacement that restores function for Chrysler 3.6L V6 engines when installed carefully, but check packaging and avoid over-torquing plastic fasteners.
Choosing the Right Chrysler 300 Intake Manifold: Key Factors to Consider
Fitment and Compatibility
Fitment matters because an intake manifold must align precisely with the engine 's intake ports, coolant passages, and mounting points to ensure proper function. A manifold that is designed specifically for the Chrysler 300 will reduce the chance of misaligned ports, which can cause vacuum leaks or coolant routing problems.
Confirm that bolt patterns, mounting surfaces, and sensor or vacuum port locations match the vehicle 's engine. Compatibility also affects installation time; correct fit typically means fewer adjustments, less trial-and-error, and fewer removed components during installation.
Sealing Surface and Gasket Interface
The sealing surface quality determines how well the manifold mates to the cylinder head and coolant passages. Flat, smooth mating flanges reduce the need for excessive gasket compression and lower the risk of leaks.
Pay attention to the design of the gasket interface and whether the manifold accommodates a proper intake manifold gasket without requiring modification. Poor sealing surfaces or unclear gasket alignment can lead to intake manifold leak issues, which often present as rough idle, loss of vacuum, or coolant ingress into intake passages.
Material and Construction Quality
Material choice affects weight, thermal behavior, and durability. Aluminum manifolds typically offer stiffness and heat tolerance, while composite or plastic designs can reduce weight and resist corrosion. Construction quality influences how well the manifold holds its shape under heat cycles and torque.
Look for manifolds with consistent wall thickness, reinforced mounting bosses, and cleanly machined or cast mating surfaces. Inferior construction can lead to warping, stripped threads, or cracked ports over time, increasing the likelihood of failures that require another replacement.
Port Design and Airflow Characteristics
Port size, shape, and runner length influence how air is distributed to each cylinder and can impact throttle response and torque characteristics. For replacement manifolds aimed at restoring factory performance, consistent runner geometry helps maintain even air delivery and a steady idle.
If you are considering a performance upgrade, evaluate how changes in runner diameter and plenum volume will affect low-end torque versus high-rpm power. Ensure any performance-oriented design still maintains proper sealing and sensor compatibility for the Chrysler 300 engine.
Installation Considerations and Torque Specs
Ease of installation affects labor time and the potential for installation errors. Manifolds that provide clear fastener access, labeled ports, and guidance on required torque sequence reduce the chance of misassembly.
Torque specs and bolt-tightening sequence are critical to avoid uneven clamping and gasket distortion. If torque specs are not provided with the manifold, ensure you have access to the vehicle 's service data. Consider whether additional components such as brackets, hoses, or sensors must be transferred during installation and how that affects complexity.
Serviceability and Maintenance
Consider how the manifold design affects future maintenance tasks, such as intake manifold cleaning, gasket replacement, or access to spark plugs and ignition components. A design that allows partial removal or easy access to common service points can save time during routine repairs.
Also evaluate whether the manifold has replaceable gaskets or serviceable ports, and how straightforward it is to diagnose intake manifold symptoms like vacuum leaks. Good serviceability reduces downtime and makes routine checks or repairs less intrusive.
FAQ
What signs indicate my Chrysler 300 intake manifold needs attention?
Common signs include a rough or fluctuating idle, poor throttle response, coolant loss near the intake area, or illumination of engine warning lights. You may also notice external coolant or oil around the manifold mounting surfaces. These symptoms often point to a sealing issue or a vacuum leak rather than unrelated systems.
Can I replace the intake manifold myself on a Chrysler 300?
Many mechanically inclined owners can replace the intake manifold with basic tools, but expect several hours of work and careful attention to torque sequences and hose routing. You should have service information for bolt torque specs and a clear workspace to avoid contaminating intake passages during installation.
How do I diagnose an intake manifold vacuum leak?
Diagnosis often starts with a visual inspection for cracked hoses, loose clamps, or damaged gaskets, followed by listening for hissing near the intake while the engine is running. Professional methods include smoke testing or using a handheld vacuum gauge to pinpoint leaks. Diagnosis usually depends on isolating the intake manifold area from other vacuum sources.
Do I need a new gasket when replacing the intake manifold?
Yes, you should replace the intake manifold gasket whenever the manifold is removed. Gaskets are designed to conform to mating surfaces and can compress or degrade over time. Reusing old gaskets increases the risk of intake manifold leak symptoms returning after installation.
Are performance-oriented intake manifolds worth it for a Chrysler 300?
A performance-oriented manifold can change the engine 's airflow and shift the torque curve, which may be desirable depending on driving goals. However, such changes can also require supporting modifications and careful selection to avoid creating drivability or sealing issues. Consider whether you want a like-for-like replacement or an engine-tuned performance change.
How We Chose the Best Chrysler 300 Intake Manifold
We focused on parts that specifically fit the Chrysler 300 and that address the issues owners most commonly encounter with intake manifolds. Our selection criteria emphasized fitment accuracy to factory mounting points, material and construction quality for long-term durability, sealing performance at gasket interfaces, and compatibility with common engine and coolant passages found on the vehicle. We also evaluated ease of installation, including access to mounting bolts and required torque clarity, as well as provisions for vacuum and sensor ports to avoid additional modifications. Products were excluded if they lacked clear vehicle-specific fitment data, used unknown or unverified materials, or omitted essential ports and passages. In short, we prioritized correct fit, reliable sealing, durable construction, and straightforward installation for the Chrysler 300 application.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an intake manifold for a Chrysler 300, prioritize correct fit and reliable sealing at the gasket interfaces. Those factors have the biggest impact on drivability and the likelihood of recurring issues such as vacuum or coolant leaks. Balance material and port design with serviceability and installation complexity. If you are unsure, focus on manifolds that clearly match factory mounting points and provide documented torque guidance to reduce the chance of installation-related failures.
