1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 21523285653390813
  3. TRIUMPH 57-1448

TRIUMPH 57-1448 Inner Transmission Cover Kic T1448

fits model: T100, Tr5, 500. make: Triumph.

57-1448 Triumph 500 T100 Tr5 Inner Transmission Cover Part # T1448 With Good Kic

( Manufacturer Part Number: 57-1448 ), ( Part Type: Cover Transmission )

Review TRIUMPH Inner Transmission Cover Part Good Kic fits T100 TR5 500

The Triumph 57-1448 500 T100 TR5 Inner Transmission Cover (part number T1448/KIC) is a meticulously engineered component designed specifically for the iconic Triumph TR5, a classic sports car renowned for its timeless elegance and spirited performance. This inner transmission cover serves as a critical protective barrier within the engine bay, safeguarding the intricate inner workings of the car s transmission system from contaminants, moisture, and mechanical wear. Crafted from high-quality, durable materials, this cover is built to withstand the demands of both daily driving and spirited motoring, ensuring long-term reliability for the TR5 s legendary 2.5-liter inline-six engine. The design of the cover is both functional and precise, featuring a tight seal around its gasket interface to prevent oil leaks and maintain optimal lubrication within the transmission. Whether you're restoring a vintage TR5 to its original glory or maintaining a well-loved classic, this inner transmission cover is an essential part that contributes to the car s smooth shifting, quiet operation, and overall mechanical integrity. Its compatibility with the T100 TR5 model ensures a perfect fit, allowing enthusiasts to preserve the authenticity of their vehicle while benefiting from modern durability. For those who appreciate the artistry of classic automotive engineering, this part embodies the meticulous attention to detail that defines Triumph s legacy.

### Pros and Cons of buying a Triumph 57-1448 500 T100 TR5 Inner Transmission Cover (T1448 KIC)

#### **Pros:**

1. **Authentic Fitment** This part is designed specifically for the Triumph TR5 (1967 1973) and the 500 T100 model, ensuring a perfect fit without modifications. It is a direct replacement for the original inner transmission cover, which may wear out over time due to heat, oil leaks, or general wear.

2. **Prevents Oil Leaks** The inner transmission cover helps seal the transmission, preventing oil from leaking onto the clutch or other components. A failing cover can lead to oil contamination, which damages the clutch and other mechanical parts.

3. **Maintains Transmission Integrity** The cover plays a role in housing internal transmission components, such as the reverse idler gear and synchronizers. A worn or damaged cover can lead to improper gear engagement or premature failure of these parts.

4. **Easier Maintenance** Replacing the inner transmission cover is a relatively straightforward job for someone with basic mechanical skills. It requires removing the transmission from the engine but does not involve complex disassembly.

5. **Cost-Effective Replacement** Compared to rebuilding or replacing the entire transmission, replacing just the inner cover is a much more affordable solution. It extends the life of the transmission without a major overhaul.

6. **Improves Reliability** If the original cover is cracked, warped, or leaking, replacing it can restore proper sealing and prevent further damage, making the transmission more reliable over time.

7. **Aftermarket Support** Triumph parts, especially those from reputable suppliers, are well-documented and supported by forums, manuals, and online communities. This makes troubleshooting and installation easier.

---

#### **Cons:**

1. **Potential Counterfeit Parts** Some aftermarket parts, even those labeled as "OEM" or "reproduction," may be low-quality or counterfeit. Buying from an untrusted seller could result in a poorly fitted or short-lived part.

2. **Installation Difficulty** While the job is manageable for experienced DIYers, removing and reinstalling the transmission requires careful handling. Improper installation (e.g., not torquing bolts correctly) can lead to leaks or misalignment.

3. **Limited Availability** Depending on the region, finding a genuine or high-quality replacement may require ordering from specialty suppliers, which could involve shipping delays.

4. **Cost Compared to New Transmission** While cheaper than a full transmission rebuild, the part itself may still be a significant investment if you re not already in the process of servicing the car. If the transmission is already failing in other areas, replacing just the cover may not be a long-term solution.

5. **Risk of Hidden Damage** If the transmission has internal issues (e.g., worn synchronizers, damaged bearings), replacing just the cover won t address those problems. A full inspection may be needed to ensure the transmission is healthy.

6. **Time-Consuming Process** Removing the transmission from a classic car like the TR5 requires disassembling parts of the drivetrain, which can be time-intensive, especially for someone unfamiliar with the process.

7. **Potential for Over-Tightening** The cover bolts must be torqued to specification to avoid warping the cover or damaging the transmission housing. Over-tightening can lead to stripped threads or cracks.

---

### **Conclusion:**

The Triumph 57-1448 500 T100 TR5 inner transmission cover is a **practical and cost-effective solution** for preventing oil leaks and maintaining transmission integrity in a classic Triumph. It is particularly valuable if the original cover is cracked, warped, or leaking. However, the success of the replacement depends on sourcing a **genuine or high-quality part** and ensuring **proper installation**.

For someone with mechanical experience, this is a **recommended upgrade** if the transmission shows signs of wear or leaks. If the transmission is already failing in other areas, it may be worth considering a full inspection or rebuild to avoid recurring issues.

For those without mechanical experience, this project may be better left to a professional, as improper installation could exacerbate existing problems.

### **Recommendation:**

- **Buy from a trusted supplier** (e.g., Triumph specialists, reputable online marketplaces, or authorized dealers) to ensure authenticity and quality.

- **Inspect the transmission** before and after replacement to confirm there are no underlying issues.

- **Follow torque specifications** closely during installation to avoid damage.

- **Consider professional help** if unsure about the process to ensure a proper fit and seal.

If the goal is to extend the life of the transmission without a full rebuild, this part is **worth the investment**. However, if the transmission is already in poor condition, addressing other components may be necessary for long-term reliability.

Details:

Rays Brit bits and more .:: Listings By Rage biz. PLEASE review all pictures of the item as it is considered a continuation. TRIUMPH 500 T100 TR5 INNER TRANSMISSION COVER PART # T1448 57-1448 WITH GOOD KICK START DOG STOP.

part #: 571448 prices

  • $20.00-$59.99

specifications cyclevintagee:

  • for models: T100, Tr5, 500
  • for makes: Triumph
  • mpn: 57-1448
  • part type: Cover Transmission

shipping cyclevintagee:

  • carrier: FedEx
  • class: Standard
  • cost: $19.44
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 5-8 Days
  • type: Calculated

seller cyclevintagee:

  • rating: 100.0%
  • # reviews: 7582
  • city: Peck, Idaho

offer cyclevintagee:

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

returns cyclevintagee:

  • policy: No Returns

general cyclevintagee:

  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
  • condition: Used

payments cyclevintagee:

  • credit card: Discover
  • other
  • wallet: Paypal
for models: t100, tr5, 500, for makes: triumph, part type: cover transmission,
category: motorcycle parts > motorcycle scooter parts accessories, sku: 21523285653390813,
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5 offers $20.00–$59.99 USD
  • Used. Offer #1 priced at $20.00 + $20.15 shipping estimate = $40.15* total. (Ray s brit bits and more) TRIUMPH 500 T100 TR5 INNER TRANSMISSION COVER PART # WITH GOOD KICK START DOG STOP.+$20.15 shipping
  • Used. Offer #2 priced at $59.99 + $12.90 shipping estimate = $72.89* total. Manufacture date: N / A. Part for sale is: Transmission shifter inner cover #2.+$12.90 shipping
  • Used. Offer #3 priced at $23.99 + $12.90 shipping estimate = $36.89* total. Part for sale is: Transmission shifter inner cover #1.+$12.90 shipping
  • Used. Offer #4 priced at $132.99 + $10.30 shipping estimate = $143.29* total. Mainshaft, 4 gears, forks, as shown. Stamped .+$10.30 shipping
  • Used. Offer #5 priced at $47.99 + $0.00 shipping estimate = $47.99* total. FREE SHIPPING

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