Fit alero Oldsmobile engine 4 cycles?

This is a solvent that works on gas/oil varnish wherever it exists. As long as the car has an internal combustion gas engine, this spray will clean the gunk out.Note: you will have to open up your engine to gain access to the gunked-up parts. Right now I have my intake off, I'll rotate the engine until both intake valves of a cylinder are closed, and am spraying this stuff onto the gunked up secondary valve.

Can I spray this on the valve tran to remove oil sludge or varnish(the valve Tran has been removed from the vehicle)?

You can spray it on metal aluminum copper exct, Do not let it get on rubber, Plastic, vinyl or paint.

Can this be used to clean generac natural gas carburator that sucked in paper filter bits due to mice?

I can't say for sure if this will dissolve the paper product, BUT, as powerful as Berryman is, I think it would...

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Berryman Products 0117 B-12 Chemtool Carburetor, Choke and Throttle Body Cleaner [Not VOC Compliant in Some States], 16-ounce (117)

Product ID: 254052237

Details

Brand
BERRYMAN SINCE
Item form
Liquid
Material features
Clean
Scent
Unscented
Specific uses for product
Oxygen Sensor

⚡100% High-Energy Solvent Tech

🔥Catalytic Converter & O2 Sensor Safe

🛠️Universal Fit for All Carburetors

237.46 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

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Description

⚡ Clean Fuel, Smooth Ride: Unlock Your Engine’s True Potential!

ECO CONSCIOUS FORMULA - Safe for catalytic converters and oxygen sensors—drive clean, drive smart.
FUEL SYSTEM REVITALIZER - Boosts drivability by eliminating rough idles, stalling & acceleration loss.
MOISTURE DISPERSAL TECH - Keeps fuel system dry and corrosion-free for longer engine life.
UNIVERSAL COMPATIBILITY - Fits carburetors, chokes, throttle bodies & more—one cleaner for every ride.
POWERFUL HIGH ENERGY SOLVENT - Dissolves gum, varnish & fuel residues fast for peak engine performance.

Berryman 0117 B-12 Chemtool is a 16-ounce universal carburetor, choke, and throttle body cleaner featuring 100% high-energy solvent technology. It rapidly dissolves gum, varnish, and fuel residues to improve engine performance and fuel economy while being safe for catalytic converters and oxygen sensors. Ideal for professional-grade maintenance, it ensures smoother idling, prevents stalling, and enhances acceleration.

Specifications

ASIN	B0002KKIDC
Best Sellers Rank	#66,753 in Automotive ( See Top 100 in Automotive ) #28 in Carburetor Cleaners
Brand	BERRYMAN SINCE 1918
Brand Name	BERRYMAN SINCE 1918
Contains Liquid Contents?	Yes
Customer Reviews	4.6 out of 5 stars 598 Reviews
Global Trade Identification Number	00075894001174
Included Components	16-Ounce Aerosol
Item Form	Liquid
Item Type Name	B-12 Chemtool Carburetor, Choke and Throttle Body Cleaner [Not VOC Compliant in Some States]
Item Volume	16 Fluid Ounces
Item Weight	16 Ounces
Item form	Liquid
Item volume	16 Fluid Ounces
Manufacturer	Berryman Products
Material Features	Clean
Material Type Free	en_AE
Material features	Clean
Model Number	0117
Number of Items	1
Part Number	117
Scent	Unscented
Size	16 g (Pack of 1)
Specific Uses For Product	Oxygen Sensor
Specific uses for product	Oxygen Sensor
Surface Recommendation	Metal
UPC	075894001174
Unit Count	16 Grams

Reviews

K**.

A good high

Was great to huff

11.06.2026

R**E

Best of the Best

What can I say? It is the best of the best. Works great.

25.04.2026

R**S

Good enough

This product was recommended to me for removing gear oil spilled when replacing the fluid in the rear differential. It worked fine.

8.11.2024

R**.

Great bargain

Great product great price. I’m extremely happy.

14.04.2026

A**Z

excellent product

It's an incredible product, I totally recommend it, it leaves you super satisfied.

7.04.2026

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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2 weeks ago

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237.46 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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