Does this fit the Mountfield RS100?

Sorry but can’t say for sure. I ordered this a couple of years ago for my Briggs & Stratton engined mower. Bought this as it was a genuine spare which I knew would fit.

will this fit the JS63c mower?

Unfortunately we do not have any information on products other than from Briggs & Stratton. We would recommend to contact your product's manufacturer for the suited replacement part.

would this fit a mcallister 500E series petro; mower (Briggs & Stratton 09P602?

Not sure, let me know if you need a picture of my mower with the part to see if it'll be of any use to you.

Will this fit a 450E ? As the one on the motor looks to have a pre formed hole in it!

Hello, yes, this primer bulb is suitable for the Briggs & Stratton 450E Series engine.

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Briggs and Stratton Carburettor Primer Bulb. 694394. Sprint/Classic/Quattro Engines

Product ID: 50334131

Details

Brand
Briggs &
Colour
Multi
Item weight
0.01 Pounds
Manufacturer
Briggs and
Material
Plastic
Nominal wall thickness
1

🔥Optimizes engine start

⚙️OEM precision fit

🇺🇸Made in USA quality

R133

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your mower with precision priming!

PRECISION OEM FIT - Engineered to exact Briggs & Stratton standards for seamless compatibility.
TRUSTED BY THOUSANDS - Rated 4.5 stars by over 3,000 users who demand reliability and efficiency.
INSTANT ENGINE PRIMING - Delivers quick fuel delivery for faster, hassle-free starts every time.
DURABLE USA MADE PLASTIC - Crafted with high-quality materials ensuring long-lasting performance.
WIDE MODEL COMPATIBILITY - Fits Sprint, Classic, and Quattro engines—your go-to replacement part.

The Briggs & Stratton Carburettor Primer Bulb 694394 is a genuine OEM replacement part designed for Sprint, Classic, and Quattro small gasoline engines. Made in the USA from durable plastic, it ensures optimal fuel delivery for faster engine starts. Trusted by thousands with a 4.5-star rating, this primer bulb guarantees reliable performance and seamless fit, making it an essential upgrade for maintaining your lawn mower’s efficiency.

Specifications

ASIN	B0032OU4YS
Best Sellers Rank	73,291 in Garden ( See Top 100 in Garden ) 531 in Lawn Mower Engine Parts
Brand	Briggs & Stratton
Colour	Multi
Customer Reviews	4.5 4.5 out of 5 stars (3,188)
Global Trade Identification Number	00024847265507
Included Components	1 x Primer Briggs & Stratton for Carburettor 694394, 1 Pack
Item Type Name	Carburettor Primer Bulb. 694394. Sprint/Classic/Quattro Engines
Item Weight	0.01 Pounds
Manufacturer	Briggs and Stratton
Material	Plastic
Nominal Wall Thickness	1
UPC	634041139315 024847265507
Unit Count	1.0 count

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R133

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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