FORD E3TZ-6700-B Crankshaft Front Cover Oil Seal Nos

( Manufacturer Part Number: E3TZ-6700-B ), ( Type: Seal C/shaft ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Front, Crankshaft ), ( Custom Bundle: No ), ( Year: 1983 1984 )

Review FORD Genuine Crankshaft Front Cover Oil Seal Nos fits RANGER 1983–1984

The **Ford E3TZ-6700-B Crankshaft Front Cover Oil Seal (1983 1984 Ranger)** is a precision-engineered component designed to maintain the critical oil seal integrity within the front cover assembly of the iconic 6.9L (415 cubic inch) diesel engine found in the first-generation Ford Ranger. This seal is a vital part of the engine s lubrication system, preventing oil leakage while ensuring smooth operation of the crankshaft pulley and accessory drive components. Crafted from high-quality rubber compound reinforced with a durable metal or fiberglass insert, this oil seal is engineered to withstand the high pressures and temperatures generated by the robust diesel engine, which was known for its rugged reliability and off-road prowess. The seal s lip design is optimized for a perfect fit against the crankshaft s polished surface, minimizing friction while providing a tight, long-lasting barrier against oil seepage. Whether replacing a worn-out seal due to age, wear, or accidental damage, this genuine Ford part ensures compatibility with the original engine specifications, maintaining factory performance and longevity. Ideal for restoration projects, performance upgrades, or routine maintenance, the E3TZ-6700-B oil seal is a straightforward yet essential upgrade for preserving the integrity of the Ranger s legendary diesel powerplant.

**Pros and Cons of Buying a Ford E350/E370/E450/E600 (1983-1984) Crankshaft Front Cover Oil Seal (Part Number: 6700-B)**

1. **Direct Fitment** The part is designed specifically for your 1983-1984 Ford E-series truck, ensuring compatibility without modifications.

2. **Reliability** Ford s older engine designs, when properly maintained, are known for durability, and a genuine or high-quality aftermarket seal can prevent costly internal damage.

3. **Prevents Engine Damage** A failing crankshaft front cover oil seal can lead to oil leaks, reduced oil pressure, or even engine failure if oil enters the timing system (in non-interference engines like the 7.5L V8). Replacing it early avoids major repairs.

4. **Cost-Effective** Compared to the potential cost of repairing or replacing an engine due to oil contamination, a seal replacement is relatively inexpensive.

5. **Ease of Installation** The seal is accessible without major disassembly, making it a straightforward DIY job for those with basic mechanical skills.

6. **Availability of Genuine vs. Aftermarket Options** You can choose between a Ford OEM seal (if still available) or a reputable aftermarket brand, which may offer better quality or pricing.

1. **Age and Wear** The part itself may be old, even if new in packaging, as Ford no longer produces it. Some aftermarket seals may not be as durable as original components.

2. **Potential for Counterfeit Parts** Buying from untrusted sellers increases the risk of receiving a low-quality or fake seal, which could fail prematurely.

3. **Additional Labor Costs** If you re not comfortable with engine work, labor costs at a shop can add up, especially if other related components (like the timing chain or cover gasket) need attention.

4. **Compatibility Concerns** If the seal is not installed correctly, it may leak or fail quickly. Improper installation can also damage the crankshaft or cover.

5. **Limited Longevity** Even a high-quality seal may not last indefinitely, especially if the engine is heavily used or lacks proper maintenance (e.g., oil changes, cleanliness).

6. **Secondary Issues** If the seal failure was due to underlying problems (e.g., a worn crankshaft, damaged cover, or contaminated oil), replacing just the seal may not be a permanent fix.

Replacing the crankshaft front cover oil seal on your 1983-1984 Ford E-series truck is a **practical and preventative maintenance task** that can save you from far more expensive engine damage. The part is relatively inexpensive, and the installation is manageable for those with basic mechanical experience. However, the quality of the seal matters opt for a reputable brand or a known genuine replacement to ensure longevity. If you re unsure about installation, consulting a mechanic is wise to avoid mistakes that could exacerbate the problem.

- **Purchase:** Buy the seal from a trusted source, such as a reputable auto parts retailer (e.g., RockAuto, Summit Racing, or a local Ford specialty shop) or a well-reviewed online seller. If possible, verify the part s authenticity.

- **Installation:** If you have experience with engine work, proceed with the installation carefully, following Ford s service manual or a reliable online guide. Pay attention to sealing surfaces and torque specifications.

- **Preventative Measures:** After installation, monitor oil levels and check for leaks regularly. Ensure you re using the correct oil viscosity and change it at recommended intervals to prolong the seal s life.

- **Professional Help:** If you re uncomfortable with the job, have a mechanic perform the replacement, especially if other components (like the timing chain or cover gasket) show signs of wear.

**Final Verdict:** The seal replacement is a **worthwhile investment** in the long-term health of your engine, provided you source a quality part and install it correctly. It s a small expense compared to the potential cost of engine failure.

Details:

Genuine Part Number: E3TZ-6700-B. FORD Ranger 1983 - 1984. SEAL C/SHAFT Is A Direct Fit For The Following.

part #: e3tz6700 prices

• $19.33-$33.22

specifications cranshafengin:

• for models: Ranger
• for makes: Ford
• for years: 1983-1984
• mpn: E3tz-6700-b
• type: Seal C/shaft
• manufacturer warranty: 1 Year
• placement on vehicle: Front, Crankshaft
• custom bundle: No
• year: 1983 1984

returns cranshafengin:

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

offer cranshafengin:

• quantity: 1
• started: April 28, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments cranshafengin:

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

general cranshafengin:

• Engines Engine Parts > Gaskets, Seals Hardware > Gaskets Seals
• condition: New

seller cranshafengin:

• # reviews: 1179772
• city: Braintree, Massachusetts
• rating: 99.8%

shipping cranshafengin:

• cost: $0.00
• service: Standard
• transit: 3-9 Days
• type: Fixed
• class: Standard

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