1. Cylinder Heads & Parts Engines Components For Sale
  2. sku: 11475979658267603
  3. LEXUS 11445-38010

LEXUS 11445-38010 Rcf Cylinder Block Wall Water Jacket

fits make: Lexus. year: 2015–2019.

11445-38010 Lexus 2015 Rcf Cylinder Block Wall Water Jacket 15-19

( Manufacturer Part Number: 11445-38010 ), ( Part Type: Wall Cylinder Block Jacket ), ( Stock : 161379 ), ( Exterior Color: Silver ), ( Fitment Type: Direct Replacement ), ( Manufacturer Warranty: 90 Day )

Review LEXUS Rcf Cylinder Block Wall Water Jacket fits 2015–2019

The **Lexus 11445-38010 Cylinder Block Wall Water Jacket (2015 2019)** is a precision-engineered component designed exclusively for select Lexus models, ensuring optimal thermal management and long-term reliability for the engine s internal systems. This high-quality aftermarket replacement part is meticulously crafted to match the exact specifications of the original equipment manufacturer (OEM), including precise dimensions, material composition, and structural integrity, which are critical for maintaining proper coolant flow and preventing overheating. Constructed from durable, corrosion-resistant materials, the water jacket is engineered to withstand the demanding thermal cycles of modern high-performance engines, providing consistent heat dissipation while minimizing the risk of leaks or warping over time. Its seamless integration with the cylinder block ensures a tight, leak-proof seal, which is essential for preserving engine efficiency and preventing coolant loss a common issue in aging or high-mileage vehicles. Whether used in replacement due to wear, damage from coolant system failures, or as a proactive upgrade to enhance durability, this component is a trusted solution for Lexus owners seeking dependable performance and longevity. Its compatibility with Lexus engines from the 2015 through 2019 model years makes it an ideal choice for restorers, mechanics, and DIY enthusiasts looking to restore or maintain the integrity of their vehicle s cooling system.

### **Pros and Cons of buying a Lexus 11445-38010 (2015 RC F Cylinder Block Wall Water Jacket Fits 15-19 Models)**

#### **Pros:**

1. **OEM Quality and Compatibility** This part is a genuine Lexus OEM component, ensuring a perfect fit for 2015-2019 RC F models. It is manufactured to Lexus s strict standards, reducing the risk of compatibility issues or premature failure.

2. **Reliability and Durability** Lexus parts are known for their longevity, especially in critical engine components like the cylinder block water jacket. A high-quality cast aluminum or iron block with a properly machined water jacket helps maintain optimal engine temperature, preventing overheating and engine stress.

3. **Warranty Coverage** If purchased from an authorized Lexus dealer or a reputable aftermarket supplier with a warranty, this part may come with a limited warranty, providing peace of mind against defects.

4. **Prevents Long-Term Damage** A failing water jacket can lead to coolant leaks, overheating, and even catastrophic engine failure. Replacing it proactively can save thousands in repair costs down the line.

5. **Resale Value Protection** Keeping the engine in top condition with genuine parts helps maintain the vehicle s value, especially for luxury brands like Lexus where mechanical integrity is highly valued.

6. **Professional Installation Support** Since this is an OEM part, many Lexus-certified mechanics are familiar with its installation, reducing the risk of improper fitting or leaks.

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#### **Cons:**

1. **High Cost** OEM parts are significantly more expensive than aftermarket alternatives. The Lexus 11445-38010 part alone can cost **$300 $600 **, depending on the source, and labor costs will add to the total expense.

2. **Limited Availability** While Lexus parts are widely available, some specialized suppliers may have limited stock, leading to potential delays in ordering.

3. **Potential for Counterfeit Parts** If buying from untrusted sources (e.g., eBay, random online marketplaces), there is a risk of receiving a **fake or low-quality replica**, which could fail prematurely and void any warranty.

4. **Labor-Intensive Replacement** Removing and reinstalling the cylinder block often requires **engine removal or disassembly**, which can take **10 20 hours** of labor. This adds significantly to the total cost.

5. **Alternative Solutions May Exist** In some cases, **repairing the existing block** (e.g., welding leaks, sealing cracks) or using a **high-quality aftermarket replacement** (e.g., from **Fel-Pro, ACDelco, or Mopar**) could be a more cost-effective option if the damage is minor.

6. **Environmental & Disposal Concerns** If the old block is damaged beyond repair, proper disposal (recycling or scrap metal handling) may incur additional fees.

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### **Conclusion:**

The **Lexus 11445-38010 (2015 RC F Water Jacket)** is a **high-quality, reliable OEM part** that ensures long-term engine health and maintains the vehicle s luxury status. However, its **high cost, labor-intensive installation, and potential for counterfeit parts** make it a significant investment.

If the cylinder block is **severely damaged (cracks, leaks, corrosion)**, replacing it with an OEM part is the **safest and most durable solution**. However, if the issue is **minor (e.g., a small leak or minor corrosion)**, consulting a mechanic about **repair options or aftermarket alternatives** could be more economical.

For **long-term Lexus owners or those prioritizing reliability over cost**, the OEM part is worth the expense. For **budget-conscious buyers**, a **verified aftermarket replacement** (from a trusted brand) may suffice if the part is structurally sound.

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### **Recommendation:**

1. **Verify the Need** Confirm with a **Lexus mechanic** that the cylinder block is **irreparably damaged** before purchasing. Sometimes, **sealing leaks or welding minor cracks** is sufficient.

2. **Buy from a Trusted Source**

- **Authorized Lexus Dealership** (most reliable, but priciest)

- **Reputable Online Retailers** (e.g., **RockAuto, PartsGeek, or eBay with seller verification**)

- **Avoid unknown sellers** to prevent counterfeit parts.

3. **Compare Costs**

- Get **multiple quotes** for labor and parts.

- Check if an **aftermarket equivalent** (e.g., **Fel-Pro 11445-38010 or similar**) is available at a lower price with the same warranty.

4. **Plan for Labor**

- If the engine must be removed, factor in **shop rental fees** (if DIY) or **professional labor costs** (typically **$1,500 $3,000 ** depending on complexity).

5. **Consider Engine Condition**

- If the rest of the engine is **old or worn**, replacing the block may be justified, but if the vehicle has **high mileage (200K miles)**, weigh whether **repair vs. replacement** is the better long-term choice.

**Final Verdict:**

- **Best for:** Owners who **prioritize OEM quality, long-term reliability, and are willing to pay for it.**

- **Alternative for:** Those on a **tighter budget** who can verify an aftermarket part s quality and compatibility.

Would you like help finding alternative parts or mechanics for this repair?

Details:

Fitment Info Make: model: Year: Trim: Engine: Notes: Lexu F 2015 -19AllAll. Exterior Color:Silver. 2015 Lexus RCF Cylinder Block Wall Water Jacket 11445-38010 15-19. Up for sale is a used RCF part.

Manufacturer Part Number: 11445-38010. Fitment Type: Direct Replacement. This part was removed off a 2015 Lexus RCF with 87,217 miles. Specifications: Brand: Lexus.

This part is in good working condition, and may have some minor wear or scratches visible from the pictures.

part #: 1144538010 prices

  • $28.15-$38.13

specifications cylinderheapar:

  • for makes: Lexus
  • for years: 2015-2019
  • mpn: 11445-38010
  • part type: Wall Cylinder Block Jacket
  • stock : 161379
  • exterior color: Silver
  • fitment type: Direct Replacement
  • manufacturer warranty: 90 Day

seller cylinderheapar:

  • # reviews: 54168
  • city: Grants Pass, Oregon
  • rating: 99.8%

returns cylinderheapar:

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

general cylinderheapar:

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

payments cylinderheapar:

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

offer cylinderheapar:

  • quantity: 2
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: February 10, 2026

shipping cylinderheapar:

  • type: Fixed
  • carrier: UPS
  • cost: $0.00
  • class: Standard
  • service: UPS Ground
  • transit: 3-8 Days
for makes: lexus, for years: 2015-2019, part type: wall cylinder block jacket, stock: 161379, exterior color: silver, fitment type: direct replacement, manufacturer warranty: 90 day,
category: auto parts > car truck parts accessories > engines engine parts > cylinder heads, sku: 11475979658267603,
Lexus 11445-38010 Is Similar To:
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2 offers $28.15–$38.13 USD
  • Used. Offer #1 priced at $38.13 + $0.00 shipping estimate = $38.13* total. This part is in good working condition, and may have some minor wear or scratches visible from the pictures Up for sale is a used RCF part.FREE SHIPPING
  • New. Offer #2 priced at $28.15 + $61.99 shipping estimate = $90.14* total. LEXUS GENUINE. TOYOTA GENUINE.+$61.99 shipping

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