SATURN 306-01616 Cylinder Head Dohc 1.9L

( Model: SATURNCPE ), ( Part Type: Cylinder Head ), ( Conditions Options: 1.9, Dohc ), ( Genuine Oem: Yes ), ( Ipn: 306-01616 )

Review SATURN Cylinder Head 1.9l Dohc Series fits 1995

The **Saturn 306-01616 Cylinder Head** is a precision-engineered component designed specifically for the **1.9L DOHC (Dual Overhead Camshaft) inline-four engine** found in select Saturn models, particularly those produced between **1995 and 2005**, including the iconic **Saturn SL1, SL2, and Ion** variants. This high-performance cylinder head is part of the **GM 2.3L/1.9L X23XE/X24XE engine family**, which was known for its compact yet robust design, featuring **four valves per cylinder (2 intake, 2 exhaust)** controlled by a **single overhead camshaft per bank**, driven by a timing chain. The **306-01616** designation corresponds to the **exhaust side cylinder head**, which plays a critical role in maintaining optimal engine efficiency, power output, and emissions compliance by facilitating proper combustion and exhaust flow.

Crafted from **high-strength cast iron**, this cylinder head is engineered to withstand the thermal and mechanical stresses of high-performance driving while ensuring durability over the long term. The **intake and exhaust ports** are meticulously machined to promote efficient airflow, reducing turbulence and improving volumetric efficiency a key factor in maximizing horsepower and torque. The **valve seats** are precision-ground to ensure a tight seal with the valves, preventing blow-by and maintaining compression integrity, while the **valve guides** are designed to minimize wear, extending the life of the valve train components. Additionally, the head features **integrated spark plug bosses** and **camshaft bearing caps**, which are essential for proper camshaft alignment and ignition system functionality.

One of the standout features of this cylinder head is its **interference-fit design**, where the **valve springs** and **keepers** are engineered to maintain consistent valve closure pressure, reducing the risk of valve float at high RPMs a common issue in high-performance applications. The **exhaust side** of the head is particularly critical in modern engines, as it directly influences **exhaust gas recirculation (EGR) efficiency** and **catalytic converter performance**, both of which are vital for meeting **OBD-II emissions standards**. The **bolt pattern and gasket surface** are precision-machined to ensure a leak-free seal when paired with the **correct head gasket (GM part # 95778696 or equivalent)**, preventing coolant or oil leaks that could lead to catastrophic engine failure.

For restoration or replacement purposes, this cylinder head is a **direct-fit OEM replacement**, ensuring compatibility with the original engine bay layout, wiring harnesses, and supporting components. Whether used in a **restomod project**, a **classic car restoration**, or as a **replacement for a failed head**, the **306-01616** delivers the reliability and performance expected from a **GM small-block inline-four**. Proper installation requires **torque specifications adherence** (typically **80-90 ft-lbs for the main bolts**) and **sealing surface inspection** to prevent warping, which can occur over time due to thermal cycling. When paired with a **high-quality head gasket, new valves, and a fresh valve train**, this cylinder head can help revive an aging Saturn engine, restoring its original power and longevity while adhering to modern emissions and performance standards.

### **Pros and Cons of Buying a Saturn 306-01616 Cylinder Head (1.9L DOHC, 95s, Part Number 1311735, 1995)**

1. **Direct Fitment** This cylinder head is designed specifically for the Saturn SL1 and SL2 (1995 1997) with the 1.9L DOHC engine, ensuring compatibility without modification.

2. **Performance Potential** The 1.9L DOHC engine is a well-regarded powerplant, capable of supporting mild to moderate tuning (e.g., intake/exhaust upgrades, camshaft swaps, or forced induction). A fresh head can improve airflow and reliability.

3. **Common Issue Fix** Many 1.9L DOHC engines suffer from carbon buildup, valve stem seal leaks, or warped heads over time. Replacing the head can resolve these problems, restoring proper sealing and cooling.

4. **Aftermarket Support** Parts like gaskets, springs, and valves are widely available, making maintenance easier. Upgrades like high-flow valves or porting are also feasible.

5. **Cost-Effective Replacement** While not brand new, a used or rebuilt head is significantly cheaper than a brand-new OEM part, offering a balance between cost and performance.

6. **Reliability Boost** If the original head is cracked, warped, or leaking, replacing it can prevent catastrophic engine failure (e.g., blown head gasket, overheating).

7. **Aesthetic and Resale Value** A restored engine with a new head can enhance the appearance of a Saturn SL1/SL2 and improve its appeal to collectors or enthusiasts.

1. **Condition Uncertainty** If purchasing used, the head may have hidden damage (e.g., cracks, warping, or internal corrosion). A thorough inspection (or professional rebuild) is essential.

2. **Labor-Intensive Installation** Replacing a cylinder head requires removing the engine from the vehicle, which is a major undertaking for DIYers. Professional labor can be expensive.

3. **Potential for Further Issues** Even with a new head, other components (e.g., intake manifold, water pump, or timing belt) may need replacement if they ve been neglected. This adds to the overall cost.

4. **Limited Longevity Without Maintenance** If the engine isn t properly maintained (e.g., oil changes, cooling system flushes), the new head may still fail prematurely due to neglect.

5. **Part Availability Challenges** While common, some specialized components (e.g., exact valve springs or seals) may be harder to source over time, especially as Saturn parts become rarer.

6. **Cost of Ancillary Parts** Beyond the head itself, you ll need a new head gasket, valve seals, springs, retainers, and possibly a new intake manifold or water pump, adding to the total expense.

7. **Engine Compatibility Risks** If the engine block or crankshaft has been damaged (e.g., from overheating or rod knock), replacing just the head won t fix underlying issues.

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Buying a **Saturn 306-01616 cylinder head (1.9L DOHC, 1995)** is a **worthwhile investment** if you re addressing a known failure (e.g., leaks, warping, or carbon buildup) and plan to maintain the engine properly. It can significantly improve reliability, performance, and longevity. However, the **labor cost, potential hidden issues, and need for additional parts** make it a project best suited for those with mechanical experience or access to professional help.

If your primary goal is **restoring a Saturn SL1/SL2 for daily driving or light tuning**, this is a smart upgrade. If you re unsure about the head s condition or lack the time/labor to install it properly, consider **rebuilding an existing head** or consulting an engine specialist first.

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1. **Verify the Head s Condition** If buying used, inspect for cracks, warping, or corrosion. A **pressure test** or **ultrasonic inspection** can confirm structural integrity.

- Head itself ( $200 $500 used, $800 $1,200 new/rebuilt)

- Head gasket kit ( $50 $100)

- Valve seals, springs, and retainers ( $100 $200)

- Intake manifold gasket ( $30 $50)

- Labor (if not DIY) ( $800 $1,500 depending on shop rates)

3. **Consider a Rebuilt Head** If buying used, a **professionally rebuilt head** (with new internals and machining) is a safer bet than a "as-is" unit.

4. **Check Engine Health** Ensure the **block, crankshaft, and timing components** are in good condition before committing to a head replacement.

5. **Prioritize Maintenance** After installation, follow a strict **oil change schedule (every 3,000 5,000 miles)** and monitor coolant levels to prevent future issues.

**Final Verdict:** **Proceed if you re prepared for the work and costs, but proceed with caution if the head s history is unclear.** For best results, pair this with other engine upgrades (e.g., new water pump, timing belt) to maximize longevity.

Details:

Exclusions from Limited Warranty. Sensors, valve covers, timing covers attached to core short/long blocks are not covered. The part is not a custom body cut.

Dispute Resolution. Labor and Related Costs: This limited warranty does not cover labor, diagnostics, towing, rental car costs, or any other expenses related to the installation, testing, removal, replacement of a part. Bumper assemblies DO NOT come with Upper Grilles unless stated. All parts sold as is except expressly provided below.

Any bulbs or wiring still attached to the,Tail Light,assemblies are not warranted part of the listing in any way. Normal wear and tear from the previous use is expected. Please remember you are purchasing OEM Original Equipment Manufacturer USED parts.

No expedited shipping is available. The part has not been altered, modified, disassembled, overheated or damaged. Scope: This limited warranty covers defects in the purchased part that render it inoperable or defective within 90-day period. Bolt-on items.

Axles Assemblies: Axle assemblies will not include any brake hardware: Calipers/Rotors/Shoes/Pads/Hoses/Brake Lines. Limited Warranty Coverage. Transmissions: Transmissions will come with the torque converter and all sensors. The part is not a special order.

Convenience Items: Items attached to or included with the part, such as wiring, bulbs, sockets, sensors, coils, distributor caps, spark plugs, water pumps, filters, brake parts, backing plates, hoses, vacuum lines, u-joints, timing belts/components, similar items, are considered convenience items and not covered by this limited warranty. Brokered/non-stocked parts ordered specifically for your request. Steering Columns: All steering columns sold will come without airbags. Check the Q A section for Business Support.

The part has not been installed.

part #: 306-01616 prices

• $120.64-$850.00

specifications cylinderheapar:

• for makes: Saturn
• for years: 1995
• model: Saturncpe
• part type: Cylinder Head
• conditions options: 1.9, Dohc
• genuine oem: Yes
• ipn: 306-01616

returns cylinderheapar:

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

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

payments cylinderheapar:

• other
• credit card: Diners-club
• wallet: Apple-pay

offer cylinderheapar:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: January 31, 2026
• quantity: 1

seller cylinderheapar:

• # reviews: 42688
• city: Annandale, Minnesota
• rating: 99.6%

shipping cylinderheapar:

• type: Fixed
• cost: $65.00
• service: Standard
• transit: 3-5 Days
• class: Standard

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