HEAD ADAPTER KIT 63120021B
- Professional HEAD ADAPTER KIT 63120021B with left LH thread - 120 metric and inch adapters for pressure testers, cooling systems and engine diagnostics in automotive workshops.
HEAD ADAPTER SET 63120021B - PROFESSIONAL SET OF SERVICE ADAPTERS FOR COOLING SYSTEMS AND ENGINE DIAGNOSTICS
HEAD ADAPTER KIT 63120021B is a professional set of precisely made adapters with left-hand thread (LH), designed to work with service heads, testers and diagnostic devices used in cooling systems and in the service of internal combustion engines. With an extensive set of metric and imperial sizes, this set is a versatile solution for automotive workshops, machine services, maintenance departments and demanding individual users.
The adapters allow fast, tight and safe connection of the test head to cooling system stubs, cylinder head or other components where left-hand thread is required. It's an essential accessory for pressure testing, bleeding the system or connecting specialized measuring tips.
Set of head adapters - full range of sizes in one case

What is the HEAD ADAPTER KIT 63120021B?
This is a complete set of adapters for heads designed to cover the most common thread sizes used in automotive and industrial applications. The practical, transparent case contains adapters with metric and inch threads, so the user always has the right part on hand to make the connection.
All available product description:
Set of head adapters
10 pcs. M 7x1 LH M
10pcs. M 10x1.25 LH M
10pcs. M 10x1.5 LH M
10pcs. M 8x1.25 LH F
10pcs. M 10x1 LH F
10pcs. M10x1.5 LH F
10pcs. M12x1.25 LH F
10pcs. M12x1.5 LH F
10pcs. M12x1.75 LH F
10pcs. 3/8-24F LH F
10pcs. M14x1.5 LH F
10pcs. M8x1.25 LH M
Where the 63120021B adapter kit is mounted?
- On ferrules and sockets in the cylinder heads of gasoline and diesel engines where a left-hand threaded connection is provided.
- At cooling system service points - spigots, plugs, test connectors.
- In specialized measuring heads, reductions and connections for pressure testers.
Application:
- Leakage testing of cooling systems and engine heads.
- Connecting service heads and diagnostic tools to different types of engines.
- Service of passenger vehicles, vans, trucks, agricultural and construction machinery.
- Workshop work requiring quick replacement of an adapter with a different thread size.
Professional head adapter set 63120021B - versatility that saves time and money
1. Wide range of sizes for different engine types
The set includes 11 types of adapters in popular metric sizes: M7, M8, M10, M12, M14, as well as inch thread 3/8-24F. The presence of several thread pitches (1; 1.25; 1.5; 1.75) makes the set suitable for both modern and older engine designs. In practice, this means that a single workshop can handle:
- passenger cars of various European, Asian and American brands,
- delivery vehicles and light trucks,
- specialized machinery (forklifts, backhoe loaders, generators).
2. Male (M) and female (F) connections - maximum compatibility
The cartridge includes adapters with internal thread (F - female)external (M - male). Thus, the kit can be used both as an adapter to the test head and as an intermediate in existing installations. Examples of daily applications:
- connection of the pressure tester to the spigot in the head with an internal thread - the use of an adapter M10x1 LH M,
- performing the measurement on the stub with external thread - using an adapter with female thread M12x1.5 LH F,
- adaptation of foreign service equipment with 3/8-24F LH F inch thread to European engines.
3. Left-hand thread (LH) - secure, safe service connections
All items are marked with the letters LH (Left Hand), which means the left direction of the thread. This type of solution is used where the connection must be protected from involuntary unscrewing under pressure, vibration or rotational movement. In practice:
- the connection of the adapter to the head does not loosen during engine operation,
- the safety of pressure tests at high operating pressures is increased,
- the risk of damage to the threaded sockets in the head or thermostat housing is reduced.
Quality workmanship of the 63120021B head adapter set - durability and reliability in workshop conditions

1. Durable corrosion-resistant material
Adapters are made of high-quality metal protected against corrosion. Thanks to appropriate surface treatment and precise threading, the components:
- retain dimension and shape even after many screwing and unscrewing cycles,
- are resistant to contact with operating fluids - coolants, oils, cleaning agents,
- do not easily bake into the sockets, which makes them easier to remove later.
2. Precision machined threads - sure installation
Thread accuracy is critical for pressure testing and diagnostics. In this set, the threads are clean, even and free of burrs, which translates into:
- tight connection with a gasket or sealing ring,
- less risk of damage to the original head socket,
- easy screwdriving even in hard-to-reach places.
3. Adaptation for intensive workshop work
The 63120021B set is designed for daily use in professional services. In practice, this means:
- the possibility of simultaneous work of several mechanics on the same type of adapter thanks to the large number of pieces,
- resistance to drops, impacts and frequent putting down of tools,
- retention of dimensions and geometry even after many months of intensive use.
Work organization with 63120021B head adapter set - convenient cassette, quick access, full control

1. Practical cassette with compartments
All adapters are placed in a sturdy, transparent organizer with clearly separated chambers. Each type of thread has a separate compartment, which allows:
- instantly find the size you need when working on your car,
- maintain order on the job and in the tool cart,
- reduce the risk of losing individual items.
2. Clear descriptions and markings
On the inside of the cover there is a clear diagram of the adapters' arrangement with size descriptions, so even a new service worker can quickly find the right item. It allows:
- speed up diagnostics and reduce vehicle repair time,
- minimize the confusion associated with selecting the wrong thread,
- increase the professionalism of customer service.
3. Easy to transport and store
The compact cassette will fit in a tool cabinet, a cart drawer or even in the trunk of a service truck. This is ideal for:
- mobile mechanics commuting to the customer,
- fleet service centers that service vehicles in the field,
- smaller workshops, where every inch of space counts.
Practical applications of the 63120021B adapter set in and out of the workshop

1. Cooling system diagnostics
The most common use of the kit is to test for leaks and pressure in cooling systems. The mechanic selects the appropriate adapter (e.g., M14x1.5 LH F) and connects it to the head of the pressure tester. The kit works well for:
- locating leaks in pipes and spigots,
- verifying the condition of the head gasket,
- checking the correct operation of pressure plugs.
2. Service of engines in industrial machines
Different thread standards are often found in construction and agricultural machinery. A set of adapters with metric and inch threads greatly facilitates:
- connection of measuring devices to drive units with unusual design solutions,
- quick diagnostics in the field - no need to make adapters on site,
- service of machines of various manufacturers by one service.
3. Hobby and semi-professional workshops
The 63120021B kit is also a great accessory for discerning private users who service their vehicles themselves or are involved in motorsports. It enables:
- creating individual test installations,
- adaptation of non-standard radiators, heads and tuning elements,
- easy and safe to perform tests and bleeding before going to the track or rally.
Technical specifications of HEAD ADAPTER KIT 63120021B
- Product name: Set of adapters for heads 63120021B
- Purpose: service adapters for heads and cooling systems, left-hand threaded connections
- Thread type: left (LH - Left Hand)
- Range of sizes and quantities:
- 10 pcs. - M7x1 LH M
- 10 pcs. - M10x1.25 LH M
- 10 pcs. - M10x1.5 LH M
- 10 pcs. - M8x1.25 LH F
- 10 pcs. - M10x1 LH F
- 10 pcs. - M10x1.5 LH F
- 10 pcs. - M12x1.25 LH F
- 10 pcs. - M12x1.5 LH F
- 10 pcs. - M12x1.75 LH F
- 10 pcs. - 3/8-24F LH F
- 10 pcs. - M14x1.5 LH F
- 10 pcs. - M8x1.25 LH M
- Total number of adapters included: 120 pieces
- Material: corrosion-resistant metal (protective coating)
- Packaging: transparent case with compartments and description of the arrangement of the elements
- Product code / symbol: 63120021B
- EAN code: 8026619039936
FAQ - Frequently asked questions about head adapter kit 63120021B
Q: Which devices the head adapter kit 63120021B fits to?
A: The kit is compatible with most professional service heads, cooling system pressure testers and other diagnostic equipment that use left-hand threads in metric sizes M7-M14 and inch sizes 3/8-24F. When in doubt, it's a good idea to compare the head thread size with the kit specifications.
Q: Are adapters suitable for use with coolant and other operating fluids?
A: Yes, the adapters are made of corrosion-resistant metal and are designed for use in environments typical of internal combustion engines, including contact with coolants, oils and steam.
Q: Can the 63120021B kit be used on trucks and construction machinery?
A: Yes. Thanks to a wide range of metric and inch thread sizes, the kit is successfully used in the service of trucks, buses, and construction and agricultural machinery, where different thread standards are used.
Q: Why are the threads in this set left-handed (LH)?
A: The left-hand thread prevents the connection from self-unscrewing under pressure, vibration or rotational movement. This makes testing of cooling systems and other installations safer and with less risk of leakage.
Q: Are the adapters sized?
A: The adapters are organized in labeled compartments of the cassette, and there is a clear diagram on the inside of the lid with the assignment of adapter type and size to a specific compartment for easy identification during operation.
Q: Is it possible to buy individual adapters from this set?
A: In many cases, the manufacturer or distributor offers individual adapters as spare parts. To confirm the availability of specific sizes, it is recommended to contact the store's sales department.
Q: For whom is the 63120021B head adapter kit intended??
A: The kit was developed for professional automotive workshops, fleet services and maintenance departments, but it can also be successfully used by advanced do-it-yourselfers and automotive enthusiasts who expect high quality and reliability from tools.
WARRANTY TERMS AND CONDITIONS
For warranty terms and conditions, please refer to the instruction manual included in the device packaging. Devices covered by the extended warranty (3 and 5 years) require the execution of the mandatory warranty inspections (payable) at the times specified in the warranty terms and conditions.
The obligations of the guarantor under the guarantee are to repair the defective goods, the advertised device is not subject to replacement or cash back.
1. The manufacturer guarantees its products for a period of time:
- Oleo-Mac internal combustion mowers 60 months for consumer use and 12 months otherwise
- Oleo-Mac chainsaws, Oleo-Mac scythes, Oleo-Mac electric mowers, Oleo-Mac trimmers
TR 61 E and TR 91 E, garden tractors. EMAK K-series internal combustion engines powering mowers and
tractors 36 months for consumer use and in other cases 12 months
- Other devices for consumer use 24 months and in other cases 12 months
Additional consumer warranty on Briggs&Stratton engines after the expiration of the manufacturer's warranty period of 12 months -
The condition for maintaining the 36-month warranty period is to perform two paid inspections of the device at an authorized service center - in 12 and 24 month from the date of purchase no later than 7 days after the specified date.
As a condition for maintaining the 60-month warranty period, four paid inspections of the device must be performed at an authorized service center - at 12, 24,36 and 48 months from the date of purchase no later than 7 days after the appointed date. All inspections performed by the dealer must be recorded in the electronic
b2B guarantee settlement system. Internal combustion engines of other brands (Briggs & Stratton, HONDA, KAWASAKI, SUBARU, etc.).) and hydrostatic transmissions are covered by a separate warranty manufacturer. Details of the warranty terms and conditions are contained in separate manuals for the listed components.
2. The warranty covers all damages occurring during the warranty period resulting from the discovery of latent material defects during this period, assembly or technological.
3. The technical staff will proceed with the repair in the time allowed by organizational requirements, always as soon as possible.
4. The choice of how to remove the damage is up to the guarantor, who can remove the defect by repairing the device or replacing the damaged part. Regardless
way of removing the damage, the warranty continues, extended by the time of removal of the damage by the guarantor.
5. Warranty repair can only be carried out on the basis of the device registration in the B2B system or a valid warranty card with proof of purchase.
Failure to register the device, the warranty card or its cancellation will exclude the guarantor's liability under the warranty provided.
6. The user has the right to appeal against the decision of the service point regarding the qualification of the reported failure. The appeal must be submitted only in the form of in writing with a set of documents stating the course of repairs made and a description of the technical condition of the equipment at the time of the original inspection made by the service point.
7. The warranty period is extended by the time necessary for warranty repair. The dates posted on the claim in the b2B electronic guarantee settlement system.
8. The repair shop is required to make entries regarding the scope of warranty repairs in the B2B electronic warranty billing system.
9. For paid repairs performed, the guarantor provides a 3-month warranty on the condition that the repair is carried out in the guarantor's workshop and that the repair is used for the repair original spare parts. The basis for the claim is the proof of purchase of parts and the service performed.
10. Warranty repair is not subject to: damage caused by improper operation, damage caused by using the device for purposes for which it is not intended, damage caused by the use of improper consumables, mechanical damage, and
caused by improper transportation or storage, damage caused by lack of maintenance, components that have suffered wear and tear in service during proper operation.
11. The warranty is voided as a result of structural changes or modifications made by the user, as a result of interference found by the service point
inside the device by unauthorized persons, as a result of breaking or dismantling the carburetor adjustment locks, in the event that entries are found to have been made in the warranty card by unauthorized persons.
12. The warranty does not cover consumable items and items that wear out during the warranty period, such as:
- Consumable components, e.g.: cutting blades, discs, cutting bars, vee heads, filters, starter cables, spark plugs, bulbs, wheels, drums and clutch jaws,
clutches and friction discs, drive belts, safety bolts, cutting chains and guides, high-pressure washer lances.
- Engine components: cylinders, pistons, rings, crankshaft, bearings, pan, carburetor diaphragms.
- Other consumable parts: knife hubs, safety keyways, shock absorbers, bearings, pan, gears, overload fuses, carbon brushes, control ties and cables
- Starting batteries used in machines with an electric starter
- Components not mentioned in these warranty conditions , which obviously wear out during operation, transportation and storage (such as coating painting).
13. Warranty repair does not include installation, adjustment and maintenance activities.
14. Damage such as engine seizure, bent or cracked crankshaft, broken magnet wheel keyway or knife hub are not repairable warranty.
15. If the service center does not fulfill its obligations, the user is obliged to inform the guarantor of this fact. Refusal to comply repair by the service center must be entered in the warranty card. If the guarantor does not recognize the repair as a warranty repair, the cost of repair and transport is covered by the claimant.
16. Defective spare parts replaced under warranty repair are the property of the guarantor.
17. Complaint should be reported to the nearest authorized service center or directly to the guarantor. Reporting a complaint at the point of sale may cause an increase in repair time.
18. During the reception of the device after warranty repair, it is his duty to make sure that the received device is complete and undamaged. The repair point has the obligation to start the device before handing it over to the user after repair.
19. The service point has the right to charge a fee for performing maintenance activities that are the responsibility of the user and require them to be performed before the proceeding with the repair. The repair shop is obliged to replace, at the user's expense, all components that ensure the safety of the work, which have been damaged damage during operation regardless of the consent of the user.
20. A continuously updated list of service points can be found at www.victus.en
21. The warranty for the goods sold does not exclude, limit or suspend the buyer's rights under the warranty provisions for defects in the goods sold.
22. The cost of an unjustified complaint is paid by the complainant.
23. This warranty is valid in the territory of the Republic of Poland.
24. Any damage caused during transport should be immediately reported to the carrier under penalty of voiding the warranty.
25. The warranty does not cover possible damages caused directly or indirectly to persons or things due to defects in the device or resulting from prolonged downtime in the operation of the device.




