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Description
Full Gasket Set — Isuzu KB250 D-TEQ & D-Max 2.5 | 4JK1-TC | PartquipVehicle Fitment & Part Details This Full Gasket Set is engineered for the Isuzu 4JK1 TC 2. 5 litre four cylinder turbodiesel engine, covering the KB250 D TEQ (both 4x2 and 4x4 variants, KB IV and V series) and D Max I (TFR TFS chassis). The 4JK1 TC is Isuzus common rail turbodiesel workhorse for the South African light commercial market. Manufactured by Partquip to OE matching specifications. SKU PQFG021 Component Full Gasket Set Brand Partquip OEM
Vehicle Fitment & Part Details
This Full Gasket Set is engineered for the Isuzu 4JK1-TC 2.5-litre four-cylinder turbodiesel engine, covering the KB250 D-TEQ (both 4x2 and 4x4 variants, KB IV and V series) and D-Max I (TFR/TFS chassis). The 4JK1-TC is Isuzu’s common-rail turbodiesel workhorse for the South African light commercial market. Manufactured by Partquip to OE-matching specifications.
- SKU
- PQFG021
- Component
- Full Gasket Set
- Brand
- Partquip
- OEM References
- 5-87816038-0, 5-87816099-0 + 5 more
- Primary Fitment
- Isuzu KB250 D-TEQ 2.5 4JK1-TC
OEM Reference Numbers
- Isuzu 5-87816038-0
- Isuzu 5-87816099-0
- Isuzu 5-87816215-0
- Isuzu 5-87816215-1
- Isuzu 5-87816522-0
- Isuzu 5-87816676-0
- Isuzu 5-87816862-0
Vehicle Fitment
| Make | Model | Engine | Years | Notes |
|---|---|---|---|---|
| Isuzu | KB250 4x2 D-TEQ | 2.5 4JK1-TC | 2007–2013 | Bore 95.40 mm |
| Isuzu | KB250 4x4 D-TEQ | 2.5 4JK1-TC | 2007–2013 | Bore 95.40 mm |
| Isuzu | KB250 4x2 D-TEQ | 2.5 4JK1-TC | 2015–2018 | Bore 95.40 mm |
| Isuzu | KB250 4x4 D-TEQ | 2.5 4JK1-TC | 2015–2018 | Bore 95.40 mm |
| Isuzu | D-Max I (TFR/TFS) 250 | 2.5 4JK1-C | 2012– | Bore 95.40 mm |
All applications share the Isuzu 4JK1-TC/4JK1-C 2.5-litre common-rail turbodiesel engine with 95.40 mm bore. The four KB250 feed entries reflect 4x2/4x4 drivetrain and model-year generation splits (KB IV 2007–2013 and KB V 2015–2018). The D-Max I (TFR86J chassis) is the international-market equivalent of the KB platform. Seven OEM reference numbers reflect specification revisions across production years.
⚠ Engine Internal Components — Important Notice
Full Gasket Sets are classified as engine-internal components. We strongly recommend that installation is carried out by a qualified, VAT-registered workshop. Incorrect fitment may result in serious engine damage. Once packaging has been opened or seals broken, this product cannot be returned under our returns policy. Please confirm the OEM part number and vehicle application before opening.
Full Gasket Sets are classified as engine-internal components. We strongly recommend that installation is carried out by a qualified, VAT-registered workshop. Incorrect fitment may result in serious engine damage. Once packaging has been opened or seals broken, this product cannot be returned under our returns policy. Please confirm the OEM part number and vehicle application before opening.
Installation Tips
- Clean all mating surfaces thoroughly, removing old gasket material and carbon deposits before fitting new gaskets.
- Check the cylinder head and block for warpage using a straight edge and feeler gauge; resurface if out of specification.
- Torque all fasteners to the vehicle manufacturer’s specifications using a calibrated torque wrench and the correct tightening sequence.
- Replace head bolts if the engine uses torque-to-yield (TTY) fasteners — these are designed for single use only.
- Allow silicone sealant (where specified) to cure fully before filling coolant or starting the engine.
Frequently Asked Questions
- What is included in a Full Gasket Set?
- A Full Gasket Set typically includes the head gasket, valve-cover gasket, intake and exhaust manifold gaskets, water-pump gasket, oil-pan gasket, and various seals and O-rings required for a complete engine reseal.
- How do I confirm this set fits my vehicle?
- Match one of the seven OEM reference numbers (e.g. 5-87816038-0) against your vehicle’s service manual or existing part. Also verify the engine code (4JK1-TC or 4JK1-C) on your vehicle identification plate.
- Can I install this myself?
- While mechanically experienced individuals can perform the work, we strongly recommend professional installation by a qualified workshop to ensure correct torque settings and gasket alignment.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 2
Decent, but be careful of frequent use.
Size: 12 Pairs / 24 pcs, Size: 12 Pairs / 24 pcs
The looks are very nice, functional if left alone once assembled. After that I would leave them alone otherwise you risk the main male portion just coming loose of the housing, sound quality is decent, nothing to write home about, but again, not very durable. If they could fix that 1 thing, these would be very good buy and value, the rest of each plug is hefty and well made.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Great Quality and Value - Perfect Connections
Size: 10 Pairs, Pattern Name: Banana Plugs
I used these Monoprice 24k gold-plated banana plugs to connect both my surround sound and desktop speakers, and they work perfectly. The connections are solid and secure, with no looseness or signal issues.
They’re easy to install, look great, and offer excellent value for the price. Highly recommended!
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Fantastic speaker plug at a great price!
Size: 5 Pack, Pattern Name: Banana Plugs
This is a product that gets the job done effectively, and at a good price. Banana plugs are used to clean up speaker wire - you can generally screw in speaker wire, but banana plugs provide a nice interface that allows you to plug in and remove speaker wire as needed.
These closed plugs do a good job terminating / hiding the wire. They fit very well into various components and amps that I own.
INSTRUCTIONS to install / use them:
* Remove around 1" - 2" of the white casing to expose the red and white individual speaker wires
* Strip each wire so ~1/2" metal is showing
* Make sure the plug end is screwed in tightly (this does not need to come out)
* Unscrew the base of the plug from the other end
* WithOUT twisting the metal wiring, insert the wire (match wire color with plug color; start with either one) from the bottom of the plug until the metal sticks out the top
* Have ~1/4" metal hanging past the plug
* take the wiring and drape it down the sides of the plug (just the smooth side, do NOT cover any of the screw threading or it will be very hard to close it)
* Spread the draped wiring around the plug as evenly as possible (makes it easier to screw in later)
* Screw the two ends of the plug back together (the side with the draped wiring will go inside the plug)
* If you get stuck while screwing it back in, unscrew and adjust the wiring
* Repeat for the other side, and you're done!
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Reviewed in the United States on January 10, 2019
★★★★★ 4
pretty good banana plugs
Size: 5 Pack, Pattern Name: Banana Plugs
i bought these over 6 months ago and i just installed them to the front left and right floor standing speakers - sony ssf-7000 i have them for over 10 years hooked up to a yamaha 7.1 AVR.
alot of people have had trouble installing this - one single banana plug comes in 3 parts - the bottom and top (the banana plug tip) can be unscrewed.
what i did was tightened the top first (top being the tip of the banana plug) then unscrew the bottom off completely - make sure you have like 3/4" - 1" (depending on your gauge of wire) of exposed speaker wire that is straight - then thread it through the hole at the bottom up - i then rolled the exposed 3/4 - 1" exposed copper wiring into a ball that is bigger than the hole of the banana plug bottom piece so the wire doesn't fall back through where it came from. then i screwed on the top and middle piece back with the bottom piece - tightening it a bit so i know there's good contact. also make sure the tip is screwed in all the way as well as a double check. what you don't want to do is have the copper wire touch the threaded part of the bottom piece - the wire will cut off from the screwing action.
i plugged it into my sony speakers and it wasn't a real snug fit - a bit too loose to feel secure - it didn't seem to go all the way in - but it fit fairly well in my receiver. my intention was to use these banana plugs with my 2 channel set up but i decided to go pre-constructed mediabridge 12 AWG speaker cable instead - those fit my 2 channel set up on my receiver and elacs really snug and secure.
i tested it and it works fine. i didn't hear any loss of signal or any extraneous noise. none of my (14 awg?) wiring fell through the bottom and it sounds good. so no complaints there.
i bought 5 pairs - but i find that it is an odd number to include a package - even numbered pairs would be better.
anyway they seem constructed well - easy enough to install and they do work.
thanks for reading
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Reviewed in the United States on September 12, 2019
★★★★★ 5
High quality and robust
Size: 12 Pairs, Pattern Name: Banana Plugs
Easily the best plugs I've found at a reasonable price. Solid feeling with good quality and they look good with easy to see red/black labeling. The tips tend to unscrew too easily, but this is a non-issue when they are in use, just something you have to be careful not to lose when assembling. It's a bit tricky to spread the wire out evenly at the exact right length. If screwing the plug together is hard at all, go back and shorten how much wire you bend over the lip.
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Reviewed in the United States on June 16, 2025