Sierra MerCruiser 3" Exhaust Riser Elbow MC-20-55538 98504A3 18-1970-1 18-1970-2
SKU: 99367044386

Sierra MerCruiser 3" Exhaust Riser Elbow MC-20-55538 98504A3 18-1970-1 18-1970-2

Sale price$154.30 Regular price$171.44
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Description

Sierra MerCruiser 3" Exhaust Riser Elbow MC-20-55538 98504A3 18-1970-1 18-1970-2Sierra replacement 3" Exhaust elbow for MerCruiser MerCruiser 175 205 GM 229 262 CID V6 (1983+) MerCruiser 200 320 GM 305 350 377 CID V8 Small Block (1983+) MerCruiser 330 370 GM 454 502 CID V8 Big Block (1981+) Comparable Part Numbers: MerCruiser: 98504A3 Osco: 8503A GLM: 51110 Barr Marine: MC 20 55538 Sierra: 18 1970 1 SPECS MPN: 18 19701 MPN: 18 19701

Sierra replacement 3" Exhaust elbow for MerCruiser

MerCruiser 175-205 GM 229/262 CID V6 (1983+)

MerCruiser 200-320 GM 305/350/377 CID V8 Small Block (1983+)

MerCruiser 330-370 GM 454/502 CID V8 Big Block (1981+)

Comparable Part Numbers:
 • MerCruiser: 98504A3
 • Osco: 8503A
 • GLM: 51110
 • Barr Marine: MC-20-55538
 • Sierra: 18-1970-1

SPECS

MPN:
18-19701
MPN:
18-19701
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SKU: 99367044386

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JC
New York, US
★★★★★ 5
Best Wallet EVER
Color: Black Tonal
This is my third wallet from this brand, and it’s just as impressive as the others. I had my first one for about seven years before I lost it, and I ended up giving my second to a family member in El Salvador who loved it. I went with the black this time, and it’s amazing, sleek, high-quality, and slim, exactly what I was looking for. Highly recommend it to anyone wanting a stylish, durable wallet that’s great value!
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Reviewed in the United States on October 31, 2024
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Amazon Customer
Port Orchard, US
★★★★★ 5
Buy with confidence
I really just wanted a Herschel because of the aesthetics, but in reality the quality is so much better than I could have imagined. The wallet holds together well after repeated use and shows no wear and tear remarkably. I would replace this with the same exact wallet every time.
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Reviewed in the United States on February 10, 2026
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Babylee
Battle Creek, US
★★★★★ 5
Buy it!
It’s great quality this is my third wallet. I buy the exact same one every time. I purchase them maybe every 2 years. It’s thick, the size is perfect it’s medium size I suppose, worth the money spent on it. Perfect size for your cards, it keeps it tight.
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Reviewed in the United States on June 15, 2025
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Tommy Seal
Massapequa, US
★★★★★ 5
Very Best
Outstanding High quality
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Reviewed in the United States on September 27, 2025
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Jessie
Alexandria, US
★★★★★ 5
I mean 🤷🏾‍♂️ I like it.
Looks good, great quality
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Reviewed in the United States on June 3, 2025

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