DODGE 6420102291 Engine Crankcase Pressure Regulator Valve

( Manufacturer Part Number: 6420102291 ), ( Product Type: Factory Replacement ), ( Type: Engine Crankcase Pressure Regulator Valve )

Review DODGE Genuine Engine Crankcase Pressure Regulator Valve

The **6420102291 Engine Crankcase Pressure Regulator Valve** is a precision-engineered component designed exclusively for select Dodge vehicles, serving as a critical element in maintaining optimal engine performance and longevity. This high-quality valve is specifically engineered to regulate crankcase pressure within the engine s combustion chamber, preventing excessive buildup that could lead to oil leaks, blow-by, or even catastrophic internal damage. Crafted from durable materials, including a robust valve body and a finely machined spring assembly, this part ensures reliable operation under high-stress conditions, such as those encountered during aggressive driving, towing, or high-performance applications. The valve features a tight-sealing design to minimize blow-by gases while allowing controlled pressure relief, thereby reducing emissions and protecting the engine s internal components, including seals, gaskets, and the crankshaft. Ideal for use in Dodge engines equipped with the **3.6L Pentastar V6** or **5.7L HEMI V8**, this aftermarket replacement is built to meet or exceed OEM specifications, ensuring compatibility with modern emissions standards and fuel injection systems. Whether installed in a daily driver, a performance-oriented vehicle, or a classic restoration project, this crankcase pressure regulator valve delivers dependable performance, helping to extend engine life and maintain peak efficiency. Its straightforward installation and direct drop-in replacement make it a straightforward upgrade for mechanics and DIY enthusiasts alike.

**Pros and Cons of Buying a Crankcase Pressure Regulator Valve (CPRV) for a Dodge Engine (Part Number 6420102291)**

1. **Direct Fitment** This part is specifically designed for certain Dodge engines (likely those using the 6420102291 designation, such as the 3.6L Pentastar or 5.7L/6.1L Hemi), ensuring compatibility without modifications.

2. **Prevents Oil Leaks** A faulty or worn CPRV can cause excessive crankcase pressure, leading to oil leaks at gaskets, seals, or valve cover bolts. Replacing it resolves this issue.

3. **Reduces Engine Stress** Proper crankcase pressure helps maintain optimal lubrication and prevents blow-by, which can damage piston rings, valves, and other internal components.

4. **Easy Installation** The valve is typically a straightforward bolt-on replacement, requiring minimal tools and labor.

5. **Cost-Effective Solution** Replacing the valve is far cheaper than dealing with secondary damage from oil leaks or blow-by, such as warped cylinder heads or failed seals.

6. **OEM Quality** If this is an original equipment (OEM) or high-quality aftermarket part, it should meet or exceed factory specifications.

1. **Potential Counterfeit Parts** Some aftermarket or eBay purchases may be fakes, leading to premature failure or improper function. Buying from a trusted dealer reduces this risk.

2. **Symptoms May Persist** If the issue is caused by other factors (e.g., worn piston rings, valve stem seals, or a failing PCV system), replacing just the CPRV may not fully resolve the problem.

3. **Labor Costs (If Not DIY)** If you re not comfortable with engine work, a mechanic may charge labor fees for installation, increasing the total cost.

4. **Limited Lifespan** While the valve itself is durable, it can wear out over time, especially in high-mileage engines or those with poor maintenance histories.

5. **Incorrect Part Number Risk** Double-checking the exact engine application (year, model, displacement) ensures you get the right part, as similar-looking valves may not fit all Dodge engines.

Replacing a faulty crankcase pressure regulator valve in a Dodge engine is a practical and often necessary maintenance step to prevent oil leaks, engine stress, and further damage. The benefits such as improved sealing, reduced blow-by, and long-term engine protection outweigh the minor drawbacks, provided you source a genuine part and ensure proper installation. However, if the problem persists after replacement, further diagnostics (e.g., compression test, oil leak inspection) may be required.

- **Verify the part number** matches your exact engine application (consult a Dodge repair manual or dealership).

- **Purchase from a reputable supplier** (e.g., RockAuto, Summit Racing, or an authorized Dodge parts dealer) to avoid counterfeit or incorrect parts.

- **Follow installation instructions carefully**, ensuring the valve is properly seated and torqued to specifications.

- **Monitor for recurring symptoms** if oil leaks or excessive crankcase pressure continue, investigate other potential causes (e.g., valve cover gasket, piston rings).

- **Consider professional help** if you re unsure about the installation process to avoid mistakes that could worsen the issue.

For most Dodge owners experiencing crankcase pressure-related problems, replacing the CPRV is a sound investment in engine longevity.

Details:

Type: Engine Crankcase Pressure Regulator Valve. Genuine Engine Crankcase Pressure Regulator Valve for Dodge, Fitment Chart:: Years: Make: model: Fuel Type: Notes: 2007 2008DodgeSprinter 2500DIESELCompatible with Cooling Fan Assembly OM642.993 engine. For example, if it states with fog lamps, this means your vehicle must be equipped lamps. SHIPPING INFORMATION: This ships via standard shipping.

Manufacturer Part Number. This does not mean that fog lamps are included. 2007 2009DodgeSprinter 3500Compatible with Engine Cooling Fan Assembly for OM642.993 engine.

part #: 6420102291 prices

• $142.49-$184.16

specifications cranshafengin:

• for makes: Dodge
• mpn: 6420102291
• product type: Factory Replacement
• type: Engine Crankcase Pressure Regulator Valve

offer cranshafengin:

• options: Ship-to-home
• quantity: 2
• started: February 5, 2026
• sold: 0
• availability: In Stock

seller cranshafengin:

• rating: 99.5%
• city: USA
• # reviews: 55906

payments cranshafengin:

• wallet: Apple-pay
• other
• credit card: Discover

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

returns cranshafengin:

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

shipping cranshafengin:

• cost: $0.00
• transit: 4-8 Days
• service: Standard
• class: Standard
• type: Fixed

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